NA26D5: Sharp, with a very good display form, this specimen shows on the back if it minor dissolution Fluorite crystals around the relict of the matrix where the specimen grew.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 6.2 × 4 × 4.2 cm = 2.44” × 1.57” × 1.65”

Main crystal size: 3 × 3 cm = 1.18” × 1.18”

NK6C9: A hyper "new classic" with its phantoms, naturally modified corners, and a floater with contacts on its rear.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 6.5 × 4.8 × 4 cm = 2.56” × 1.89” × 1.57”

NQ96G8: Beautiful group of crystals with an excellent color and luster. The last growth phase formed divergent crystals which seem, in some edges, to be nearby isolated.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 59 in number 19, year 2007.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 9.2 × 8 × 4.8 cm = 3.62” × 3.15” × 1.89”

Main crystal size: 3.1 × 2.7 cm = 1.22” × 1.06”

ND76D5: The form is so beautiful. The crystals display so well and contrast with the Quartz matrix! Plus all of them are complete at the rear as well..
This specimen was photographed and published in the magazine "Lapis" number 7-8 / 2013, page 48
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 11 × 8 × 6.5 cm = 4.33” × 3.15” × 2.56”

Main crystal size: 4 × 4 cm = 1.57” × 1.57”

NE69AC8: Irregular aggregate of cubic crystals with polycrystalline growths on their faces. They are transparent, have very well defined geometrical color zones and they have a very intense violet color. On a matrix partially coated by small Quartz crystals.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 14.5 × 10.8 × 11.8 cm = 5.71” × 4.25” × 4.65”

Main crystal size: 3.5 × 3.1 cm = 1.38” × 1.22”

EF53AI8: Druse of Fluorite crystals neatly cube shaped, transparent, very bright and very well defined geometric color zoning, with color bands varying from sky blue to purple and to lilac. Partially coated by small Quartz crystals.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 14.8 × 9.7 × 5.4 cm = 5.83”

Main crystal size: 3 × 2.7 cm = 1.18” × 1.06”

NZ47D1: Extremely large, this showy specimen is the best of the find in this size. I think that the photo says everything, but let me tell you that the form it is just wonderful, the color is very intense, and the whole specimen very spectacular when you have it in front of you!.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 61 in number 19, year 2007.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2003)

Specimen size: 29 × 15 × 9 cm = 11.42” × 5.91” × 3.54”

Main crystal size: 4 × 3 cm = 1.57” × 1.18”

NJ11F2: The cubic crystallization, the color, and the internal zones are all good reasons to like this specimen and the general esthetics is enhanced by the matrix covered in water-clear Quartz.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 70 in number 19, year 2007.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 5.7 × 4.8 × 4 cm = 2.24” × 1.89” × 1.57”

Main crystal size: 3.7 × 3 cm = 1.46” × 1.18”

NT86T0: Group of cubic crystals with intense luster and a very deep color, violet with bluish shades, and geometrical color zoning on the bevels. They are on a group of white scalenohedral crystals of Calcite. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 6 × 4 × 3.8 cm = 2.36” × 1.57” × 1.50”

Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”

NV36W5: Aggregate of cubic crystals beveled by dodecahedron faces. They have a very deep color that masks their transparency and the geometrical color zoning, visible under a strong light.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 6.9 × 6.3 × 3.2 cm = 2.72” × 2.48” × 1.26”

Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”

NM96F2: The color is great in this one. The crystals are dominated by blue zones that are enhanced by the transparency. The slight covering of the surface by Quartz adds an extra touch.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 7 × 7 × 4.5 cm = 2.76” × 2.76” × 1.77”

NX68T0: Group of cubic crystals with echeloned bevels. They are very bright, very transparent and have violet blue color with very well defined geometrical color zones. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 8.4 × 7.4 × 4.2 cm = 3.31” × 2.91” × 1.65”

Main crystal size: 4 × 3.8 cm = 1.57” × 1.50”

NC30T0: Group of cubic crystals of Fluorite with echeloned bevels. They are very bright, very transparent and have violet blue color with geometrical color zoning. They are on matrix with crystals of Quartz and white scalenohedrons of Calcite. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 12.4 × 9.2 × 4.4 cm = 4.88” × 3.62” × 1.73”

Main crystal size: 2.1 × 2 cm = 0.83” × 0.79”

NG46F7: Calcite is not so common in this Quarry. In this case we have a quite large, rounded crystal of Calcite on the typical matrix of Fluorite and Quartz, although in this case the Fluorite is colorless. Curiously the Calcite is intensely yellow-orange near the rear, almost certainly due to the presence of oxides that were in the iron rich fluids from which it formed.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 12.5 × 10.5 × 8.5 cm = 4.92” × 4.13” × 3.35”

Main crystal size: 6.6 × 5.2 cm = 2.60” × 2.05”

NL68T8: Group of cubic crystals with the edges widely beveled by echeloned growths. They have a clear lilac color and are transparent, with geometrical color zoning showing a deeper internal color and they are on a matrix of crystallized Quartz. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, La Falla pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (08/2004)

Specimen size: 10.5 × 7.2 × 4 cm = 4.13” × 2.83” × 1.57”

Main crystal size: 4.5 × 3.8 cm = 1.77” × 1.50”

NZ47T0: Group of cubic crystals with polycrystalline growths on the faces of the cube. They are bright, transparent and have clear lilac color. On matrix, with Quartz crystals. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, La Falla pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2004)

Specimen size: 13.2 × 9.9 × 5.4 cm = 5.20” × 3.90” × 2.13”

Main crystal size: 2.1 × 1.8 cm = 0.83” × 0.71”

NM29T8: Big cubic crystal beveled by the dodecahedron, transparent and with geometrical color zoning, with color varying between intense blue, lilac and violet. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, Las Calcitas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (02-05/2007)

Specimen size: 10 × 8.4 × 5.8 cm = 3.94” × 3.31” × 2.28”

Main crystal size: 8.6 × 8.1 cm = 3.39” × 3.19”

NR66T8: Group of cubic crystals beveled by the dodecahedron. They are transparent, bright and have a very deep and intense bluish-violet color. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 7.3 × 5.5 × 3.8 cm = 2.87” × 2.17” × 1.50”

Main crystal size: 2.7 × 2.4 cm = 1.06” × 0.94”

NC47Z2: Translucent crystals with a very deep and intense color, with smooth cubic faces beveled by the dodecahedron with polycrystalline growths.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 9.4 × 7.5 × 7.6 cm = 3.70” × 2.95” × 2.99”

Main crystal size: 2.6 × 2.2 cm = 1.02” × 0.87”

NB87Z2: Very aerial group of translucent crystals with very deep and intense color, with smooth cubic faces beveled by the dodecahedron that has polycrystalline growths. The crystals are on a matrix coated by Quartz crystals, some of them doubly terminated.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 10.5 × 8.6 × 5.5 cm = 4.13” × 3.39” × 2.17”

Main crystal size: 3.7 × 3.2 cm = 1.46” × 1.26”

NK30Z2: Group, on matrix, of transparent, very bright crystals with a very deep and intense color and showing cube faces beveled by the dodecahedron.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 11.7 × 9.6 × 3.4 cm = 4.61” × 3.78” × 1.34”

Main crystal size: 1.7 × 1.5 cm = 0.67” × 0.59”

NF47AC8: Irregular aggregate of crystals with smooth cube faces modified by polycrystalline dodecahedron growths. The crystals are transparent, have very well defined geometrical color zones and a very intense violet color. They are on a rocky matrix partially coated by small Quartz crystals.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 12 × 8.9 × 3.6 cm = 4.72” × 3.50” × 1.42”

Main crystal size: 2.4 × 2.2 cm = 0.94” × 0.87”

TC2460NXA: Group of Fluorite crystals with a cubic habit beveled by scalenohedron faces, with steps, between translucent and transparent, with good luster and a very deep violet color, with coatings of small Quartz crystals.
The specimen comes from the Miguel David Martínez collection (number 820), whose label we will send to the buyer.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 12.2 × 11.5 × 8.3 cm = 4.80” × 4.53” × 3.27”

Main crystal size: 4 × 3.6 cm = 1.57” × 1.42”

NRM93AP6: Druse, on matrix, of Fluorite crystals with a cubic habit beveled by dodecahedron faces, transparent, with good luster and a very deep color, even more intense around the edges. With a small scalenohedral crystal of Calcite.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 20.3 × 11.2 × 10.3 cm = 7.99” × 4.41” × 4.06”

Main crystal size: 1.7 × 1.7 cm = 0.67” × 0.67”

NA96AE1: Druse of cubic crystals on matrix. The crystals, beveled by dodecahedral faces, are transparent, very bright, have a very intense violet color with geometric color zoning which is very well defined with deeper shades in the center. We note the quality and the condition of the sample, uncommon in such large pieces. One of the best samples from the cavity.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 23.5 × 17.5 × 6.5 cm = 9.25” × 6.89” × 2.56”

Main crystal size: 2.4 × 2.2 cm = 0.94” × 0.87”

NM87T8: Group of cubic crystals of Fluorite beveled by the dodecahedron. They are very bright, with a very deep color and good transparency that show a geometrical color zoning parallel to the edges. With very small bright crystals of Chalcopyrite peppering the Fluorite faces and on a matrix of crystallized Calcite. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, El Furaco pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (20/08/2009)

Specimen size: 8.9 × 6.8 × 5.7 cm = 3.50” × 2.68” × 2.24”

Main crystal size: 3.6 × 3.4 cm = 1.42” × 1.34”

NX37T0: Group of transparent cubic crystals. They are very bright, of very intense sky blue color and are with small crystals of Quartz. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Galería 49 pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (09-12/2009)

Specimen size: 6.9 × 6 × 4.7 cm = 2.72” × 2.36” × 1.85”

Main crystal size: 3.2 × 2.7 cm = 1.26” × 1.06”

NP89Z2: Aggregate of transparent, very bright crystals with a very intense sky blue color. They are formed by the faces of the cube beveled by the dodecahedron. They are on matrix, with small Quartz crystals.
La Viesca Mine, Galería 49 pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (09-12/2009)

Specimen size: 15.5 × 10.2 × 6 cm = 6.10” × 4.02” × 2.36”

Main crystal size: 2.3 × 2.2 cm = 0.91” × 0.87”

ND86T0: Very aerial group of cubic crystals beveled by the faces of the dodecahedron. They are transparent, of deep violet color and have geometrical color zoning. On matrix and partially coated by very small crystals of Chalcopyrite. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 6.8 × 5.7 × 4.4 cm = 2.68” × 2.24” × 1.73”

Main crystal size: 2.2 × 2.2 cm = 0.87” × 0.87”

NF76T0: Group of cubic crystals beveled by the dodecahedron. They are transparent, have deep violet color, geometrical color zoning and very small crystals of Chalcopyrite spread on their faces. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 8.3 × 6.9 × 3.2 cm = 3.27” × 2.72” × 1.26”

Main crystal size: 2.4 × 2.1 cm = 0.94” × 0.83”

NRT88AP1: Group of Fluorite crystals finely beveled by dodecahedron faces of intense and uniform blue color, with lilac tones, on a matrix of microcrystalline Quartz epimorphic after an earlier scalenohedral crystal of Calcite, and around which there seem to be grown, oriented, Fluorite crystals.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 10.4 × 6.6 × 3.6 cm = 4.09” × 2.60” × 1.42”

Main crystal size: 2.8 × 2 cm = 1.10” × 0.79”

NP92AK0: Group of cubic crystals with polycrystalline growths on the surface of the faces, between transparent and translucent, bright with an extraordinary blue color that is very intense and deep and which turns to lilac in some areas. On a matrix of Quartz crystal coatings of former Calcite crystals as frequently happens in the specimens of this particular pocket.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 12.2 × 6.2 × 4.4 cm = 4.80” × 2.44” × 1.73”

Main crystal size: 6.2 × 6 cm = 2.44” × 2.36”

NC69AK0: Group of cubic crystals, one of them clearly dominant, with polycrystalline growths on the surface of the faces, between transparent and translucent, bright, with a very intense deep blue color and with small coatings of Quartz crystals.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 12.3 × 7.5 × 6.8 cm = 4.84” × 2.95” × 2.68”

Main crystal size: 6.7 × 5.8 cm = 2.64” × 2.28”

NC98Z2: Aggregate of translucent crystals with a very deep color, with violet shades on the cube faces and blue on the dodecahedral bevels. The sample is partially coated by a “cap” of small Quartz crystals.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 14.5 × 10.2 × 4.2 cm = 5.71” × 4.02” × 1.65”

Main crystal size: 5 × 4.3 cm = 1.97” × 1.69”

NTB96AO2: Group of Fluorite crystals with polycrystalline growths on the surface of the faces, between transparent and translucent, with good luster and an intense color, with marked geometric color zoning on the edges,and on a matrix of white Quartz epimorphs after older crystals of Calcite that have disappeared.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 21.1 × 13.2 × 8 cm = 8.31” × 5.20” × 3.15”

Main crystal size: 3.5 × 2 cm = 1.38” × 0.79”

TVX96AP4: Fluorite crystal with a cubic habit, transparent, lustrous, and with a very sharp geometric phantom marked by the blue and violet color boundary.
This specimen comes from the Miguel David Martínez collection (number 773), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2003)

Specimen size: 2.5 × 2.3 × 2.3 cm = 0.98” × 0.91” × 0.91”

NV26AM1: Group of Fluorite crystals with cubic habit and polycrystalline formations on the faces, transparent, very lustrous and with a uniform blue color with violet tones.
The specimen comes from the Miguel David Martínez collection (nº. 521) whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 4.2 × 3.4 × 2.7 cm = 1.65” × 1.34” × 1.06”

Main crystal size: 2 × 1.7 cm = 0.79” × 0.67”

NTV68AO2: Group of Fluorite crystals with steps and polycrystalline growths, between transparent and translucent, with good luster and a very deep and intense blue color with violet tones.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 4.6 × 4.5 × 3 cm = 1.81” × 1.77” × 1.18”

Main crystal size: 2.4 × 1.8 cm = 0.94” × 0.71”

NH17AI8: Group of considerably flattened cubic Fluorite crystals. They are transparent and bright and have very well defined geometric color bands. The sample is from a recent find.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 4.7 × 3.9 × 3.5 cm = 1.85” × 1.54” × 1.38”

Main crystal size: 2.6 × 2.2 cm = 1.02” × 0.87”

TC2200NGB: Single beveled Fluorite crystal, with stepped faces and polycrystalline growths. Transparent, with good luster and a very deep and intense blue color with violet tones, on a Quartz matrix.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 4.9 × 4.4 × 3.6 cm = 1.93” × 1.73” × 1.42”

NBM70AO5: Group of cubic crystals, one of them clearly dominant, with polycrystalline growths on the edges, very transparent, with good luster and a light blue color on the peripheral areas and with different shades of intense violet, with geometric zoning that forms a phantom growth.
An excellent Spanish classic.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 4.9 × 4.9 × 3.3 cm = 1.93” × 1.93” × 1.30”

Main crystal size: 4 × 3.4 cm = 1.57” × 1.34”

NB64AL9: Very sharp Fluorite crystals that are completely transparent, with extraordinary luster, a light lilac color and with small crystals of Sphalerite. On matrix with small Quartz crystals. The specimen is unusual for the presence of transparent and clear colored Sphalerite.
It comes from the Miguel David Martínez collection (number 528), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 5 × 3.3 × 2.1 cm = 1.97” × 1.30” × 0.83”

Main crystal size: 1.3 × 1 cm = 0.51” × 0.39”

TBB26AP9: Fine, very aerial group of Fluorite crystals with very marked polycrystalline growths, transparent, shiny green with bluish tones, and with a small matrix with Quartz microcrystals. High quality for the locality.
The specimen comes from the collection of Miguel David Martínez Pérez (number 2400), whose label we will send to the buyer.
La Sirena cut, La Collada mining area, La Collada, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2014)

Specimen size: 5.2 × 2.5 × 2.4 cm = 2.05” × 0.98” × 0.94”

Main crystal size: 1.9 × 1.6 cm = 0.75” × 0.63”

TC2240NNB: Group of Fluorite crystals with steps and polycrystalline growths, translucent, with good luster and a very deep and intense color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 5.6 × 4.2 × 3.2 cm = 2.20” × 1.65” × 1.26”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

TC2220NMR: Group of Fluorite crystals with steps and polycrystalline growths, transparent, with good luster and a sky-blue color with violet tones, and with small Chalcopyrite crystals on their faces as well as a Calcite scalenohedron.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 5.7 × 5.1 × 2.8 cm = 2.24” × 2.01” × 1.10”

Main crystal size: 1.4 × 1.4 cm = 0.55” × 0.55”

NXM37AO7: Group of Fluorite crystals, beveled by the dodecahedron, transparent, lustrous and practically water-clear, contrasting with the coatings of hematoidal Quartz crystals in the matrix.
This specimen has unusual characteristics for La Viesca Fluorite, and comes from the collection of Miguel David Martínez (number 865), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 5.8 × 3.5 × 2.7 cm = 2.28” × 1.38” × 1.06”

Main crystal size: 0.9 × 0.8 cm = 0.35” × 0.31”

NE29AL4: Group of cubic Fluorite crystals, transparent, with a very deep violet color and with marked geometric color zoning. A Spanish classic.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 6.8 × 5 × 4.6 cm = 2.68” × 1.97” × 1.81”

Main crystal size: 6.4 × 5.2 cm = 2.52” × 2.05”

TC220NDX: Group of Fluorite crystals with a cubic habit with staggered and polycrystalline growths on the faces, transparent, with bright luster and an intense color, on matrix, with Quartz.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 6.8 × 5.9 × 3 cm = 2.68” × 2.32” × 1.18”

Main crystal size: 4 × 3.8 cm = 1.57” × 1.50”

NA90AL5: Two cubic Fluorite crystals beveled by the rhombododecahedron, very clean and transparent, bright and with geometric color zoning.
The specimen comes from the Miguel David Martínez collection (No. 526), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 6 × 6 × 4.2 cm = 2.36” × 2.36” × 1.65”

Main crystal size: 4 × 3.5 cm = 1.57” × 1.38”

NF37AL4: Floater Fluorite crystal, with cubic crystal forms and a polycrystalline rhombododecahedral bevel and recrystallizations on the back, between transparent and translucent, with fine Quartz coatings. The Fluorite exhibits geometric color zoning between lilac and blue, much more intense in the core of the crystal.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 6.4 × 5.7 × 3.9 cm = 2.52” × 2.24” × 1.54”

NR47AL4: Group of Fluorite crystals beveled by rhombododecahedron faces, transparent, shiny, blue with lilac tones, geometric color zoning and small white Quartz coatings.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 6.7 × 4.8 × 3.3 cm = 2.64” × 1.89” × 1.30”

Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”

NBT89AO4: Group of Fluorite crystals beveled by dodecahedron faces with polycrystalline growths, transparent and with a dominant blue color, with well-defined geometric zoning by shades of varying intensity between blue and violet. On a matrix of Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2018)

Specimen size: 6.8 × 6.2 × 4.7 cm = 2.68” × 2.44” × 1.85”

Main crystal size: 2.8 × 2.7  cm = 1.10” × 1.06”

NMB89AO4: Floater group of Fluorite crystals beveled by dodecahedron faces with polycrystalline growths, transparent and with a dominant blue color, with well-defined geometric zoning by shades of varying intensity between blue and violet.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7 × 6 × 3.2 cm = 2.76” × 2.36” × 1.26”

Main crystal size: 2.7 × 2 cm = 1.06” × 0.79”

NE87AL4: Group of cubic Fluorite crystals with edges beveled by thin rhombododecahedral faces, with staggered parallel growths, between transparent and translucent and with geometric color zoning between violet and blue.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 7 × 6.3 × 3.4 cm = 2.76” × 2.48” × 1.34”

NTB69AO7: Group of transparent, lustrous, purple Fluorite crystals, geometrically zoned with much deeper color around the edges. Very aesthetic.
The specimen comes from the collection of Miguel David Martínez (number 841), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7 × 6.4 × 4.3 cm = 2.76” × 2.52” × 1.69”

Main crystal size: 3.1 × 3.1 cm = 1.22” × 1.22”

NT98AL4: Slightly elongated Fluorite crystal, with marked polycrystalline growths, translucent, with an intense sky-blue color and covered with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 7.1 × 5.9 × 5.9 cm = 2.80” × 2.32” × 2.32”

SV290TFF: Two main groups of Fluorite crystals clearly beveled by the faces of the dodecahedron,
with polycrystalline growths in one of them, transparent and with a dominant bluish color, hosted in a limestone rock matrix -known as “Mountain limestone”- totally carpeted by small water-clear Quartz crystals. From the prolific, but already closed, La Viesca mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7.3 × 5.8 × 5.8 cm = 2.87” × 2.28” × 2.28”

Main crystal size: 3.2 × 2.5 cm = 1.26” × 0.98”

NEX68AP3: Group of Fluorite crystals formed by smooth cube and dodecahedron faces, with fine polycrystalline growths, very transparent, lustrous and violet in color with bluish areas.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7.3 × 5.9 × 6.2 cm = 2.87” × 2.32” × 2.44”

NG89AL5: Crystals with a cubic habit with polycrystalline surfaces and staggered faces, transparent, bright, with a very intense color between lilac and mauve, on matrix, with Quartz crystals.
This piece comes from the Miguel David Martínez collection (no. 442), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 7.4 × 5.2 × 4.8 cm = 2.91” × 2.05” × 1.89”

Main crystal size: 3.1 × 3 cm = 1.22” × 1.18”

NK67AI7: Group of cubic crystals beveled by the polycrystalline surfaces of the dodecahedron. They are translucent and have a violet color with geometric color zoning. On matrix with small white Quartz crystals. A Spanish classic.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 7.5 × 6.4 × 4.8 cm = 2.95” × 2.52” × 1.89”

Main crystal size: 4.7 × 3.8 cm = 1.85” × 1.50”

NMR27AO1: Crystal of Fluorite on a small matrix and beveled by the dodecahedron. With very marked polycrystalline growths, translucent, lustrous and with geometric color zoning that varies between lilac and violet.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 7.6 × 7 × 4.4 cm = 2.99” × 2.76” × 1.73”

NPT86AO7: Group of sharp crystals with very well defined polycrystalline growths. They are translucent, with good luster, and color shades between violet and blue.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7.8 × 5.4 × 4.4 cm = 3.07” × 2.13” × 1.73”

Main crystal size: 3 × 2.6 cm = 1.18” × 1.02”

NB89AL4: Group of Fluorite crystals beveled by thin rhombododecahedral faces, transparent, brilliant and of a very intense blue color with violet tones. An excellent Spanish classic.
This specimen has been published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 56, June 6, 2020 edition, page 2
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 8.2 × 7.8 × 5 cm = 3.23” × 3.07” × 1.97”

Main crystal size: 3.2 × 2.7 cm = 1.26” × 1.06”

NR99AL4: Fluorite crystal with marked polycrystalline and stepped growths, translucent and with a very intense light blue color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 8.4 × 7.7 × 6.6 cm = 3.31” × 3.03” × 2.60”

TC240NF: Group of Fluorite crystals with a cubic habit beveled by the dodecahedron, forming polycrystalline growths. Between transparent and translucent, with good luster and an intense and vivid color. A Spanish classic.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 8.4 × 7.8 × 6.2 cm = 3.31” × 3.07” × 2.44”

Main crystal size: 4.8 × 4 cm = 1.89” × 1.57”

NJ27AM5: Very elongated Fluorite crystals rich in polycrystalline surfaces and with geometric contacts on the back. Translucent, with bright luster and an intense light blue color, on matrix, with white Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 8.6 × 7 × 4.2 cm = 3.39” × 2.76” × 1.65”

Main crystal size: 4.2 × 1.6 cm = 1.65” × 0.63”

NXA98AP9: Group of colorless Fluorite crystals with sharp crystal forms, with polycrystalline growths, between transparent and translucent, lustrous, and very rich in inclusions.
Colorless fluorites are very unusual at La Viesca.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 8.7 × 6.2 × 5.1 cm = 3.43” × 2.44” × 2.01”

Main crystal size: 5 × 3.7 cm = 1.97” × 1.46”

NC69AL9: Group of cubic Fluorite crystals with scalenohedral Calcite crystals on the back. The Fluorite crystals are transparent and very lustrous, with a color between lilac and violet and with markedly geometric zoning.
This Spanish classic comes from the collection of Miguel David Martínez (number 327), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2017)

Specimen size: 8.8 × 8.4 × 6.4 cm = 3.46” × 3.31” × 2.52”

Main crystal size: 5.4 × 5.4 cm = 2.13” × 2.13”

NNL99AN9: Druse of transparent Fluorite crystals, with a very bright luster and an extraordinarily vivid blue color with geometric zoning of an intense violet color. This specimen, a Spanish classic, comes from the Miguel David Martínez collection (number 819)

Fluorites from this locality formed in low-temperature hydrothermal veins associated with Mesozoic sedimentary rocks, where the circulation of fluorine-rich fluids produced crystals of remarkable transparency and exceptional color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2017)

Specimen size: 8.8 × 5.1 × 5.4 cm = 3.46” × 2.01” × 2.13”

Main crystal size: 3.2 × 3.2 cm = 1.26” × 1.26”

NMX14AO0: Very aerial growth of Fluorite crystals with the cube clearly beveled by rhombododecahedron crystal forms, transparent, with good luster and a uniform blue color, with violet hues and fine coatings of Pyrite microcrystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2018)

Specimen size: 9 × 5.7 × 3.9 cm = 3.54” × 2.24” × 1.54”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”

GP87AK0: Crystals of cubic habit beveled by the dodecahedron, between transparent and translucent, bright with an uniform lilac color and perched in a matrix covered by transparent crystals of Quartz. A classic Asturian specimen from the Casado Margolles collection (number AC FALO 10) whose label is attached to the piece.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±1992)

Specimen size: 9 × 6.2 × 7.4 cm = 3.54” × 2.44” × 2.91”

Main crystal size: 2.2 × 1.8 cm = 0.87” × 0.71”

TC320NT: Group of Fluorite crystals of cubic habit with finely polycrystalline surfaces, very transparent, lustrous, and totally colorless, something very rare in specimens from this locality.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2018)

Specimen size: 9.1 × 4.8 × 4.1 cm = 3.58” × 1.89” × 1.61”

Main crystal size: 1.9 × 1.9 cm = 0.75” × 0.75”

ND68AL3: Group of cubic crystals strongly beveled on the rhombododecahedron faces forming polycrystalline growths. The crystals are transparent violet-blue with geometric zoning of more intense tones in the center of the crystal.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 9.4 × 6.5 × 3.1 cm = 3.70” × 2.56” × 1.22”

Main crystal size: 5.6 × 4.6 cm = 2.20” × 1.81”

NPP68AQ1: Druse of very sharp Fluorite crystals with Quartz, transparents, extraordinarily lustrous and with a delicate sky-blue color.
Found in recent workings of the La Viesca Mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2022)

Specimen size: 9.5 × 7.4 × 4.6 cm = 3.74” × 2.91” × 1.81”

Main crystal size: 1.3 × 1.1 cm = 0.51” × 0.43”

NFB89AP3: Isolated Fluorite crystal formed by smooth cube and dodecahedron forms with fine polycrystalline growths, between transparent and translucent, lustrous and violet with bluish areas. Like the fluorites from Shangbao, but Spanish! 😉
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2008)

Specimen size: 9.6 × 6.4 × 3.9 cm = 3.78” × 2.52” × 1.54”

Main crystal size: 5.2 × 5 cm = 2.05” × 1.97”

MBR67AP7: Druse of Fluorite crystals with very marked polycrystalline growths, transparent, with very bright luster and an intense blue-violet color, bordered by small water-clear crystals of Quartz.
The specimen comes from the Miguel David Martínez collection (number 896), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2019)

Specimen size: 9.7 × 6.4 × 2.8 cm = 3.82” × 2.52” × 1.10”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”

TC2540NFD: Group of Fluorite crystals with a cubic shape beveled by the dodecahedron, with steps and polycrystalline growths, translucent, good luster and a very deep violet color with geometric color zoning. With white Quartz crystals on the back.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 9.7 × 6.9 × 4.4 cm = 3.82” × 2.72” × 1.73”

Main crystal size: 4.1 × 4.1 cm = 1.61” × 1.61”

NZR50AN7: Group of cubic crystals with staggered bevels on the edges, lustrous, very transparent, with an intense purplish blue color and with very marked geometric color zoning.
This piece comes from the Miguel David Martínez collection (number 818), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2016)

Specimen size: 9.7 × 8.6 × 6.4 cm = 3.82” × 3.39” × 2.52”

Main crystal size: 8.4 × 4.9 cm = 3.31” × 1.93”

NXM30AP9: Druse of Fluorite crystals with very marked polycrystalline growths, transparent, with an extraordinary luster, a uniform and vivid color between blue and lilac, and with small white Quartz coatings.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 9.7 × 9 × 7.4 cm = 3.82” × 3.54” × 2.91”

Main crystal size: 2.8 × 1.9 cm = 1.10” × 0.75”

NEC37AP3: Druse of Fluorite crystals with a cubic habit with slight curvatures on the edges. They are transparent, lustrous, with a color between lilac and blue, and sit on a matrix with small white Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 9.8 × 7.1 × 5.6 cm = 3.86” × 2.80” × 2.20”

Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”

ELM94AP0: Cubic Fluorite crystals, one of them clearly dominant, beveled by the dodecahedron with polycrystalline growths. Transparent, with good luster and a blue color with areas of intense violet. On matrix, associated with Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2008)

Specimen size: 10 × 8.5 × 6.8 cm = 3.94” × 3.35” × 2.68”

Main crystal size: 3.6 × 3.3 cm = 1.42” × 1.30”

NGX86AP5: Group of Fluorite crystals with parallel growths and the typical rough bevel of rhombododecahedron faces, in this case highly developed. They are translucent, with geometric violet zones, much more intense in the central part of the crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2012)

Specimen size: 10.1 × 7.4 × 5.5 cm = 3.98” × 2.91” × 2.17”

Main crystal size: 9.9 × 6.7 cm = 3.90” × 2.64”

NMF99AP1: Druse of Quartz crystals, larger than usual for the locality, which cover a matrix of crystalline Calcite. On the Quartz there is a Fluorite crystal, very aerial, transparent and with very marked geometric color zoning, much more intense on the edges.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2007)

Specimen size: 10.1 × 9.4 × 4.4 cm = 3.98” × 3.70” × 1.73”

Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”

NBR29AP9: Druse of very sharp Fluorite crystals, extraordinarily transparent, with very good luster, and light blue color. On matrix, with white coatings of Quartz.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 10.2 × 8.3 × 5.7 cm = 4.02” × 3.27” × 2.24”

Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”

SM180NGZ: Druse of Fluorite crystals with a cubic habit, sharp, transparent, with good luster and a light blue color with geometric color zoning with violet tones near the edges. With partial coatings of very transparent Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 10.2 × 8.5 × 5.4 cm = 4.02” × 3.35” × 2.13”

Main crystal size: 2.4 × 2.3 cm = 0.94” × 0.91”

SV2220NPX: Group of Fluorite crystals finely beveled by dodecahedron faces, transparent, with good luster and an intense and uniform blue color with lilac tones and geometric color zoning. They grew on a limestone matrix with a layer formed by white Quartz crystals. From the prolific La Viesca mine, which closed since 2021.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 10.2 × 9 × 7.2 cm = 4.02” × 3.54” × 2.83”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”

NTX90AQ1: Druse of very sharp Fluorite crystals, of a good size, and that unlike other specimens from La Viesca are extraordinarily transparent and shiny, and of a very light greenish blue color, almost colorless.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2005)

Specimen size: 10.3 × 8.4 × 8.3 cm = 4.06” × 3.31” × 3.27”

Main crystal size: 3.7 × 3.7 cm = 1.46” × 1.46”

NNB92AP1: Druse of Fluorite crystals, transparent, lustrous, blue with lilac tones and associated with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007-2008)

Specimen size: 10.4 × 9.1 × 4.8 cm = 4.09” × 3.58” × 1.89”

Main crystal size: 3.8 × 2.8 cm = 1.50” × 1.10”

NFM88AP1: Group of Fluorite crystals finely beveled by the faces of the dodecahedron, transparent, with good luster and an intense and uniform blue color, with lilac tones and geometric color zoning. On matrix with white Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2007)

Specimen size: 10.7 × 6.8 × 4.9 cm = 4.21” × 2.68” × 1.93”

Main crystal size: 1.4 × 1.1 cm = 0.55” × 0.43”

NCT88AO5: Group of Fluorite crystals with fine polycrystalline growths on the edges, transparent, with good luster and a blue color with green tones, on a matrix of scoriaceous Quartz with small crystallized vugs. Unusual looking for the locality.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 11.3 × 9.4 × 5.1 cm = 4.45” × 3.70” × 2.01”

Main crystal size: 3.3 × 3.1 cm = 1.30” × 1.22”

MTB50AP7: Group of Fluorite crystals with smooth cube faces beveled by rhombododecahedron forms with fine polycrystalline growths. They are transparent, with good luster and an intense blue-violet color, with geometric zoning with the most intense color in the center of the crystals and lighter on the edges.
The specimen comes from the Miguel David Martínez collection (number 2400), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 11.3 × 9.4 × 7.2 cm = 4.45” × 3.70” × 2.83”

Main crystal size: 4.7 × 4.7 cm = 1.85” × 1.85”

NRB70AQ1: Group of Fluorite crystals with Quartz and with very balanced forms of the cube and the dodecahedron, translucent, and with geometric growths that concentrate the intense violet color in the heart of the crystal.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 11.5 × 7.6 × 6.7 cm = 4.53” × 2.99” × 2.64”

Main crystal size: 6 × 5.8 cm = 2.36” × 2.28”

NJ89AL3: Group of cubic crystals finely beveled on the rhombododecahedron faces, forming stepped edges. The crystals are transparent and have a very deep bluish violet color.
The specimen comes from the Miguel David Martínez collection, whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2009)

Specimen size: 12 × 8 × 5.8 cm = 4.72” × 3.15” × 2.28”

Main crystal size: 6.3 × 4.9 cm = 2.48” × 1.93”

NM92AK0: Group of crystals with very marked polycrystalline growths and curious shaped dissolution cavities. Translucent and very bright with an intense blue color and partially coated by transparent Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 12.2 × 9.8 × 5.5 cm = 4.80” × 3.86” × 2.17”

Main crystal size: 7.8 × 7.8 cm = 3.07” × 3.07”

SM640DHL: Druse of Fluorite crystals with a cubic habit clearly bevelled by dodecahedron faces, transparent, with good luster and a very deep violet color with bluish tones.
The specimen comes from the Raúl Sanabria Orellana collection, whose label we will send to the buyer.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (01/2004)

Specimen size: 12.4 × 9.8 × 4.7 cm = 4.88” × 3.86” × 1.85”

Main crystal size: 4.8 × 4 cm = 1.89” × 1.57”

SM540NVG: Fluorite crystals of cubic habit beveled by dodecahedron faces, polycrystalline and stepped. The crystals, transparent and lustrous, have a fine geometric color zoning with dominant violet tones on the outside and an azure-blue nucleus.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 12.7 × 10.8 × 6.5 cm = 5.00” × 4.25” × 2.56”

Main crystal size: 8.7 × 4.7 cm = 3.43” × 1.85”

NA52AJ0: Druse, on matrix, of crystals with sharp cube shape, transparent, very bright, colorless and with phantom growths. The edges are outlined by fine alignments of small Pyrite crystals. The sample, found in recent workings at the La Viesca area, is very different from the usual at this big mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 12.8 × 9.9 × 7.8 cm = 5.04” × 3.90” × 3.07”

Main crystal size: 3.7 × 3.4 cm = 1.46” × 1.34”

NFR87AP3: Druse of Fluorite crystals with smooth cube faces and dodecahedron forms with fine polycrystalline growths. They are translucent, violet in color with bluish areas and sit on a matrix with small white Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 12.9 × 12.2 × 7.3 cm = 5.08” × 4.80” × 2.87”

Main crystal size: 4.6 × 3.9 cm = 1.81” × 1.54”

XM22600NNP: Final climax! Group of Fluorite crystals of considerable size for the deposit, two of them clearly dominant, interpenetrating and in divergent growth, with an extremely fine bevel modified by the dodecahedron. Between transparent and translucent, with light blue tones and geometric color zoning.
It comes from the great La Viesca Mine in Asturias, which has brought so much joy to the world of mineral collecting, and it has an amazing color...
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2021)

Specimen size: 13.1 × 12.8 × 9.4 cm = 5.16” × 5.04” × 3.70”

Main crystal size: 6.1 × 5.4 cm = 2.40” × 2.13”

NB76AL0: Group of crystals of cubic habit beveled by the rhombododecahedron, translucent, very deep blue-violet, on matrix with small Quartz crystals. The specimen, which is a floater, comes from the Jaume Vilalta collection (No. 0916) whose label we will send to the buyer.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 13.4 × 9.8 × 6.5 cm = 5.28” × 3.86” × 2.56”

Main crystal size: 4.3 × 4.1 cm = 1.69” × 1.61”

NXP16CD6: Very aerial floater Fluorite specimen made up of cubic crystals with well defined faces and edges and polycrystalline growths of a bluish color typical of La Viesca, forming staggered growths on which Quartz crystals have grown in a very aerial way, probably by epitaxial growth on an ancient Calcite crystal already completely dissolved when the Quartz was precipitated.
A very characteristic and notable example of what the La Viesca Mine, which closed in 2021, used to offer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 13.8 × 9.9 × 7.4 cm = 5.43” × 3.90” × 2.91”

Main crystal size: 2.7 × 2.5 cm = 1.06” × 0.98”

TC2560NTL: Group of Fluorite crystals with a cubic shape, with steps on the rhombododecahedral bevels, translucent, with bright luster and a very deep color with geometric zoning of an intense violet, and with Chalcopyrite crystals of good size (for the locality) on their faces.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2019)

Specimen size: 14 × 11 × 6.5 cm = 5.51” × 4.33” × 2.56”

Main crystal size: 3.3 × 3.1 cm = 1.30” × 1.22”

NNR86AO5: Very aerial and aesthetic growth of Fluorite crystals beveled by dodecahedron faces, transparent, with good luster and a color between violet and blue, with geometric zoning of more intense tones. The specimen, with its numerous very transparent crystals, is a Spanish classic of excellent quality.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 14.7 × 14.5 × 8.4 cm = 5.79” × 5.71” × 3.31”

Main crystal size: 2.2 × 1.3 cm = 0.87” × 0.51”

NJ89AK0: Group of crystals with smooth cube faces and finely polycrystalline rhombic-dodecahedral forms. The crystals, translucent, lilac-bluish-greenish in color with the lilac tones much more intense in the areas of the phantom growths.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 14.8 × 9.7 × 6.4 cm = 5.83” × 3.82” × 2.52”

Main crystal size: 9.6 × 6.8 cm = 3.78” × 2.68”

HM480NH: Group of Fluorite crystals beveled by dodecahedron faces with very well marked polycrystalline growths, transparent, and with a color between violet and blue. It has color zoning and small Chalcopyrite crystals.
The specimen comes from the Miguel David Martínez collection (nº 118) whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2008)

Specimen size: 15 × 13 × 6.3  cm = 5.91” × 5.12” × 2.48”

Main crystal size: 8.6 × 7.8 cm = 3.39” × 3.07”

NB97AL4: Group of sharp Fluorite crystals, transparent, bright, with an intense light blue color with violet tones and very marked geometric color zoning. On matrix, with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2006)

Specimen size: 15.6 × 9.2 × 3.9 cm = 6.14” × 3.62” × 1.54”

Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”

NPR89AO0: Fluorite crystals with a cubic shape finely beveled by dodecahedron faces, transparent, with good luster and a blue color with areas of very intense violet tones and partially coated by small Quartz crystals. The specimen is of great quality by its transparency and luster.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2008)

Specimen size: 15.7 × 9.8 × 3.8 cm = 6.18” × 3.86” × 1.50”

Main crystal size: 1.5 × 1 cm = 0.59” × 0.39”

NL94AM1: Group of Fluorite crystals with a very sharp cubic habit, with polycrystalline growths on the crystal faces, on matrix. Transparent, very shiny, with uniform and vivid blue color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 17.8 × 11.4 × 11.8 cm = 7.01” × 4.49” × 4.65”

Main crystal size: 2.4 × 2 cm = 0.94” × 0.79”

NQ86AJ5: Druse of cubic crystals with polycrystalline growths on the edges. They are translucent and bright and have a very intense violet color with geometric color zoning, darker on the edges. A Spanish classic of great quality, with a magic beauty when it is lighted from the back.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 17.8 × 12.4 × 5.8 cm = 7.01” × 4.88” × 2.28”

Main crystal size: 6.5 × 5.4 cm = 2.56” × 2.13”

TC2660NFW: Group of beveled Fluorite crystals, with stepped faces and polycrystalline growths, transparent, with good luster and a very deep and intense blue color with violet tones. With white Quartz coatings.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 18.5 × 14.8 × 4.9 cm = 7.28” × 5.83” × 1.93”

Main crystal size: 4.5 × 3.8 cm = 1.77” × 1.50”

NAB88AO1: Very aerial groups of Fluorite crystals with smooth cube faces, beveled by dodecahedron faces and with polycrystalline growths. Translucent, with good luster, a very deep and intense color and with geometric color zoning. On matrix partially covered by Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 18.8 × 9.8 × 4.3 cm = 7.40” × 3.86” × 1.69”

Main crystal size: 1.2 × 1.2 cm = 0.47” × 0.47”

NZ16AM5: Druse of cubic Fluorite crystals beveled by the faces of the dodecahedron, transparent, with good luster and an intense and deep violet color and a twinned Calcite crystal with two generations of growth, a first transparent and a second whitish.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 22 × 15.5 × 3.5 cm = 8.66” × 6.10” × 1.38”

Main crystal size: 1.8 × 1.7 cm = 0.71” × 0.67”