The Core of Tucson Show Virtual 2021

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 x 7.8 x 6.2 cm

Main crystal size: 4.8 x 4 cm

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 x 4.8 x 4.1 cm

Main crystal size: 1.9 x 1.9 cm

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 x 5.9 x 3 cm

Main crystal size: 4 x 3.8 cm

TC580NJ

Group of cubic Fluorite crystals beveled by the dodecahedron, completely transparent, very lustrous, with a very clear lilac color, on a matrix of white Quartz crystals. A jewel!

Llamas Quarry, Obdulia vein, Caravia mining area, Las Cabañas, Duyos, Caravia, Comarca Oriente, Principality of Asturias (Asturias) Spain (07/2017)

Specimen size: 8 x 4.8 x 3.8 cm

Main crystal size: 1.4 x 1 cm

TC110NC

Very sharp Fluorite crystal, translucent, with good luster and a very deep color with geometric zoning on the edges. On matrix, with Baryte. On the back there is a contact with a pseudo-octahedral aspect. The specimen comes from the Miguel David Martínez collection (number 76), whose label we will send to the buyer.

Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias) Spain (2004)

Specimen size: 2 x 2 x 2.1 cm

Former collection of Miguel David Martínez

TC680NF

Sharp rhombohedral Dolomite crystals with very distinct interpenetration twins, from transparent to translucent, lustrous and colorless with the gray zoning characteristic of old Eugui Dolomites, on matrix. A great Spanish classic.

Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (1997)

Specimen size: 22 x 13.8 x 7.2 cm

Main crystal size: 4 x 3 cm

TC260NA

Quartz crystal (variety amethyst) on matrix, with a short prism, translucent, with bright luster and a vivid violet color, more intense than usual for this deposit.

Los Pajaritos-Cabezo de Don Juan Ravine, Llano del Beal, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain (1980)

Specimen size: 8.4 x 7.8 x 5.6 cm

Main crystal size: 7.2 x 6.7 cm

TC190NR

Very aerial group of Baryte crystals in polycrystalline growths, translucent, with good luster and a snow-white color. From a locality where no others have been found for a long time.

Cola de Caballo Cove, Sierra Minera de Cartagena-La Unión, Portmán, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain (1990)

Specimen size: 10.2 x 7.6 x 5.2 cm

Main crystal size: 4.3 x 4 cm

TC90NY

Group of very sharp tabular crystals of Baryte, translucent and with an intense sky-blue color with areas of white and reddish tones. The specimen comes from the Miguel David Martínez collection (number 633), whose label we will send to the buyer.

Teresita Mine, Campos de Golf, Atamaría, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain

Specimen size: 7.2 x 5.4 x 3.7 cm

Main crystal size: 4.2 x 3.5 cm

Former collection of Miguel David Martínez

TC460ND

Group of acute scalenohedral Calcite crystals with phantom growths and polycrystalline surfaces with recrystallizations of Dolomite and Fluorite crystals. This is a very old piece, from the 1960s, and it comes from Minas de Villabona, a locality much less prolific than the better known Moscona mine. It belonged to the Casado Margolles collection and we will give the buyer of the specimen its collection card, very complete and detailed.

Villabona Mines, Barrio de la Estación, Villabona, Llanera, Comarca del Nora, Principality of Asturias (Asturias) Spain (±1960)

Specimen size: 14.8 x 16.5 x 12.3 cm

Main crystal size: 9 x 3 cm

Former collection of Casado Margolles

TC110NA

Complex Calcite crystals, on matrix, with the crystal forms of a clearly dominant scalenohedron and very rich in minor forms, transparent, with good luster and an intense yellow-orange color.

La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain

Specimen size: 9.1 x 6.7 x 5.1 cm

Main crystal size: 3.1 x 1.8 cm

TC90ND

Complex Calcite crystal, on matrix, very aerial, with the crystal forms of a clearly dominant scalenohedron and very rich in minor forms, transparent, lustrous, and with a pale yellow color.

La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain (±2000)

Specimen size: 8.8 x 6.2 x 2.4 cm

Main crystal size: 4.1 x 2.7 cm

TC90NX

Very aerial and perfect group of sharp Baryte crystals, between lamellar and tabular, translucent, with good luster and a uniform celestial blue color. The specimen comes from the Miguel David Martínez collection (number 400), whose label we will send to the buyer.

Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias) Spain (2015)

Specimen size: 5.9 x 3.8 x 3.7 cm

Main crystal size: 1.9 x 1 cm

Former collection of Miguel David Martínez

TC220NA

Botryoidal Goethite growths with very fine, shiny and dense black surfaces. The specimen comes from one of the great classical Spanish iron deposits, via the Lluís Daunis collection, whose autograph label we will send to the buyer.

La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi) Spain

Specimen size: 16.3 x 7.6 x 7.1 cm

With label from the Lluís Daunis Collection

TC80DD

Polycrystalline growth of lustrous, transparent and polychrome Sphalerite, with aesthetic geometric banding with very marked color changes. The specimen comes from the Lluís Daunis collection, whose autograph label we will send to the buyer.

Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain

Specimen size: 5.5 x 5 x 1.1 cm

With label from the Lluís Daunis Collection

TC50NM

Doubly terminated Quartz crystal with curiously deformed faces in which different growth phases can be appreciated, marked by changes in transparency and coloration. On a Microcline matrix with highly recrystallized faces.

Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (2003-2008)

Specimen size: 7.1 x 4 x 2.9 cm

Main crystal size: 4.7 x 2.8 cm

TC60NG

Scepter growth of a Quartz crystal (amethyst variety), with parallel growths in the lower part, translucent, with bright luster and an intense color, embedded in a Quartz crystal (smoky variety)

Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (2008)

Specimen size: 4.6 x 2.8 x 3.2 cm

Main crystal size: 3.5 x 2.7 cm

TC220EL

Aggregates, on matrix, of Linarite crystals with the elongated and flattened shape typical of the species and with an intense color and luster that contrast with the deep green of the acicular Brochantite crystals. The specimen has been analyzed and we will send a copy of the analysis to the buyer.

Goulmima, Er Rachidia, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2003)

Specimen size: 13.5 x 12.2 x 7 cm

Main crystal size: 2.2 x 0.3 cm

TC240EA

Bundle-like aggregates of fibrous and acicular Actinolite crystals, with a light pistachio-green color, with darker, almost black, crystal intergrowths of Ferro-actinolite, and with white growths of Prehnite. The specimen has been analyzed and we will send a copy of the analysis to the buyer.

Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2018)

Specimen size: 10.8 x 10.3 x 6.7 cm

Main crystal size: 5 x 1.4 cm

TC180ER

Globular Prehnite growths with visible, translucent and pale green crystal forms, together with curiously deformed Quartz crystals, some of them totally or partially doubly terminated.

Tighiste (Tirrhist), Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2020)

Specimen size: 10.4 x 8.6 x 2.7 cm

Main crystal size: 4.3 x 1.5 cm

TC85EL

Individualized spheroidal aggregates of Prehnite with parallel growths of crystals with well defined crystal forms, translucent, with good luster and a uniform green color, on matrix. An unusual morphology for this deposit.

Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2019)

Specimen size: 7.4 x 6.2 x 2.8 cm

Main crystal size: 1.2 x 0.6 cm