Calcite - Mineral specimens search results

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Mineral specimens search results for [ Calcite ]

Group of yellow scalenohedral Calcite crystals, acute, translucent, with good luster. The specimen comes from the collection of Santiago Jiménez who, especially in the 1980s and '90s, managed to collect many rarities from urban and suburban areas of the North of Spain little disclosed before in the mineral collecting community.
Valle de Carranza Mines, Las Encartaciones, Karrantza Harana/Valle de Carranza, Comarca Las Encartaciones, Vizcaya / Bizkaia, Basque Country (Euskadi) Spain
Specimen size: 7.1 × 6.3 × 4.4 cm = 2.80” × 2.48” × 1.73”

SE86AE3: Calcite

Druse, on a rocky matrix, of very sharp trapezohedral crystals that are colorless, transparent and very bright.
The sample is with a label from the Stoppani collection that we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Bagard Quarry, Bagard, Alès, Gard, Occitanie France (2006)
Specimen size: 8.7 × 7.5 × 4 cm = 3.43” × 2.95” × 1.57”

Main crystal size: 1.5 × 0.8 cm = 0.59” × 0.31”

SH96AE3: Calcite

Druse, on a rocky matrix, of crystals showing single prisms and terminal rhombohedra in very well defined parallel growths. The crystals have very well defined color zones due to reddish Hematite inclusions.
The sample is with a label from the Stoppani collection that we’ll send to the buyer.
Cadacu Quarry, Laval-Pradel, La Grand-Combe, Alès, Gard, Occitanie France
Specimen size: 10.5 × 9.4 × 3.2 cm = 4.13” × 3.70” × 1.26”

JFD107AO3: Calcite

A Basque classic. Generations of collectors there had collected, and continue to collect, these characteristic calcites that come from one specific area of a very large iron mine. Very abundant in the past, nowadays it is increasingly difficult to get good specimens from there.
Bodovalle Mine, Gallarta, Abanto y Ciérvana/Abanto Zierbena, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi) Spain (±1966)
Specimen size: 9.8 × 7 × 3.7 cm = 3.86” × 2.76” × 1.46”

Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”

EX66AI8: Calcite

Druse, on matrix, of very sharp lenticular Calcite crystals with very well defined faces and edges and with a pale pinkish-orange color. It is from a one of the less well-known localities in this mining area, the Sasar Mine.
Sasar Mine, Baia Mare, Maramureș Romania (±1980-90)
Specimen size: 13.5 × 8.2 × 3.8 cm = 5.31” × 3.23” × 1.50”

EF96AI8: Calcite

Group of thick tabular Calcite crystals with very well defined geometrical zoning and on a Quartz matrix. The crystals have a considerable size for the locality.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Los Taberneros Quarry, (La Cabrera pluton), Los Taberneros, El Berrueco, Comarca Sierra Norte, Community of Madrid Spain (05/2004)
Specimen size: 5.1 × 5 × 3.8 cm = 2.01” × 1.97” × 1.50”

Main crystal size: 3.1 × 2 cm = 1.22” × 0.79”

MR96AL4: Calcite

Group of sharp rhombohedral Calcite crystals with flattened lenticular habit and rich in inclusions, probably argillaceous, brown in color. Good size and quality for the locality.
Marble quarries, Estremoz, Évora District, Alentejo Central Province, Alentejo Region Portugal (07/2008)
Specimen size: 12.3 × 11.7 × 4.4 cm = 4.84” × 4.61” × 1.73”

EK86AL4: Calcite

Matrix group of complex Calcite crystals very rich in crystalline forms, some of them doubly terminated, with well defined phantoms that delimit two different growth phases. From a locality that has become a classic for Calcite.
Malmberget, Gällivare, Norrbotten, Lappland Province Sweden
Specimen size: 6.4 × 5.4 × 4.9 cm = 2.52” × 2.13” × 1.93”

Main crystal size: 3.4 × 2 cm = 1.34” × 0.79”

NFF66AO5: Calcite

Group of rhombohedral crystals of Calcite on matrix, with well defined faces, with curvatures on the edges, translucent, with good luster and a reddish color, more intense than usual for the locality, due to inclusions of iron oxides. The specimen comes from the collection of Santiago Jiménez who, especially in the 1980s and '90s, put together an excellent collection with a very good representation of the mineralogy of northern Spain.
Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua Mexico
Specimen size: 11.2 × 7.2 × 4.3 cm = 4.41” × 2.83” × 1.69”

TXX86AP6: Calcite

From a 2022 discovery in the Daye area. Parallel growths of lenticular Calcite crystals, very aerial, on matrix. They are translucent, shiny, yellow in color with red inclusions and geometric color zoning. Very aesthetic.
Daye mining area, Edong, Daye, Huangshi Prefecture, Hubei Province China (03/2022)
Specimen size: 5.2 × 5.1 × 2.8 cm = 2.05” × 2.01” × 1.10”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”

XM2190EPB: Calcite

Pair of complex Calcite crystals, lustrous and translucent, becoming transparent towards the terminations. It displays interpenetration twins, with very well defined faces and edges and marked striations on some of the faces. High quality for the locality.
Tongling Prefecture, Anhui Province China
Specimen size: 4.8 × 3.5 × 2.7 cm = 1.89” × 1.38” × 1.06”

TMP96XXX: Calcite

Rhombic Calcite crystals, one of them clearly dominant and doubly terminated, with a very aerial disposition, color zones that are darker on the pinacoidal terminations, on matrix and with a very intense and uniform yellowish-orange color, due to inclusions of iron oxides. Taff’s Well Quarry lies in southern Wales, within the geological setting of the South Wales Coalfield. Here, thick Carboniferous limestone and sandstone packages have been quarried for construction materials. secondary mineralization, including Calcite and Baryte, occurs mainly in fractures and cavities formed by low-temperature hydrothermal processes linked to the late tectonic evolution of the basin.
Taff's Well Quarry, Taff's Well, Municipality Rhondda Cynon Taf (Glamorganshire) Wales / United Kingdom
Specimen size: 8.4 × 6.6 × 4.1 cm = 3.31” × 2.60” × 1.61”

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

XM2190NJA: Calcite

A vug completely covered by sharp Calcite crystals with the dominant forms of the scalenohedron, translucent, with good luster and a soft cream color, on a limestone matrix. A Moroccan classic of excellent quality. The specimen belonged to Santiago Jiménez who, especially in the 1980s and 90s, assembled an excellent collection.
Imintanout, Chichaoua Province, Marrakech-Safi Region Morocco
Specimen size: 14 × 12.7 × 3.8 cm = 5.51” × 5.00” × 1.50”

TCD96AO6: Calcite

Group of Calcite crystals, with dominant scalenohedron forms, with very well defined parallel growths, between translucent and transparent, with good luster and a uniform pale lilac color. From a unique find in Aït Ahmane where this type of Calcite was not known before and has not been seen since.
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (07/2018)
Specimen size: 6.6 × 4.4 × 3.2 cm = 2.60” × 1.73” × 1.26”

NM27AE2: Calcite

A complex crystal with many faces, among which acute rhombohedra and shortened scalenohedra stand out, giving it an equant and rounded shape. Above all, the uniform yellow color, the transparency, brilliance and position on the Dolomite matrix are all great.
La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain (±2000)
Specimen size: 7.6 × 5 × 3.3 cm = 2.99” × 1.97” × 1.30”

SM190SPQ: Calcite

Druse of Calcite crystals with a prismatic habit, terminated by a very flattened rhombohedron, translucent and with a yellow-white color. The specimen, from a historic European locality, comes from the Francesco S. Stoppani collection (number 0292), whose label we will send to the buyer. As is the case with many of the specimens in this collection, this one is of good quality for the locality.
Příbram, Central Bohemia Region, Bohemia Czech Republic
Specimen size: 10.2 × 6.9 ×4.4 cm = 4.02” × 2.72” × 1.73”

Main crystal size: 3.3 × 1.4 cm = 1.30” × 0.55”

SZ27AC3: Calcite

Aggregate of prismatic crystals formed by a translucent hexagonal prism and pinacoidal termination with a very well defined geometrical zone with a snowy white color. A German classic that previously was in the Bally Museum collection, whose label we’ll send along with the Stoppani label to the buyer.
St. Andreasberg mining area, Goslar District, Harz, Lower Saxony/Niedersachsen Germany
Specimen size: 5.5 × 5 × 3.4 cm = 2.17” × 1.97” × 1.34”

ETV96AP1: Calcite

Twinned Calcite crystal rich in complex crystal forms. Very transparent and lustrous, colorless, and in matrix.
Tonglüshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (02/2022)
Specimen size: 2.9 × 2.8 × 2.5 cm = 1.14” × 1.10” × 0.98”

SV42AC7: Calcite

Druse of very complex Calcite crystals with many faces, among which are sharp rhombohedra and shortened scalenohedra, giving it an equant shape. The crystals, on a matrix of Dolomite and Sphalerite, are transparent, bright and have a pale yellow color.
Joseph Mine, Saint-Félix-de-Pallières, Alès, Gard, Occitanie France
Specimen size: 10.5 × 8 × 5.3 cm = 4.13” × 3.15” × 2.09”

TBF96AO6: Calcite

Group of Calcite crystals, with dominant scalenohedron forms, with very well defined parallel growths, between translucent and transparent, with good luster and a uniform pale lilac color. From a unique find in Aït Ahmane where this type of Calcite was not known before and has not been seen since.
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (07/2018)
Specimen size: 8.1 × 7.4 × 4.8 cm = 3.19” × 2.91” × 1.89”

Main crystal size: 6.2 × 2.6 cm = 2.44” × 1.02”

SA27AI6: Calcite

Dalnegorsk is one of those mineral localities that is always offering nice surprises to the collector as has happened with this thick tabular Calcite crystal that has the exquisiteness of a very sharp hexagonal form and the aesthetics of the added group of smaller Calcite crystals.
Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia
Specimen size: 8.4 × 8.2 × 4.1 cm = 3.31” × 3.23” × 1.61”

4N47: Calcite

Parallel growths of doubly terminated and polycrystalline, scalenohedral Calcite crystals with a slightly yellowish color and of considerable size, with very well defined faces and edges, from a mine that was very famous for its Fluorites.
Coroña Shaft, Josefa-Veneros Norte vein, La Collada mining area, zona minera de La Collada, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (1980)
Specimen size: 21.2 × 16.7 × 5.5 cm = 8.35” × 6.57” × 2.17”

Main crystal size: 18.7 × 12.3 cm = 7.36” × 4.84”

JTB72XXX: Calcite

Group of scalenohedral Calcite crystals, white with slight cream-colored tones, translucent and in perfect condition, forming a well-balanced specimen on matrix. It is particularly interesting that a Calcite specimen from El Papiol displays this quality, as this locality is not especially known for the quality of its Calcite specimens. Jaume Curto, one of the great Catalan mineral collectors and field collectors, visited this locality on numerous occasions and, thanks to his perseverance, assembled highly representative specimens of virtually everything that was found there, including this piece. Geologically, the mineralization at El Papiol is related to fractures affecting the Triassic limestones and dolostones of the Catalan Coastal Ranges. The circulation of hydrothermal fluids led to the formation of Fluorite, Calcite, and many other mineral species in cavities and fractures within the host rock.
Berta Quarry, Can Domènech Hill, Roques Blanques Mountains, Sant Cugat del Vallès-El Papiol, Comarca Vallès Occidental / Baix Llobregat, Barcelona, Catalonia / Catalunya Spain (16/9/2010)
Specimen size: 8 × 5.2 × 4.8 cm = 3.15” × 2.05” × 1.89”

SV2220TBC: Calcite

Group of Calcite crystals in two generations: The first formed by interpenetrating rhombic crystals, cream-colored polycrystalline faces with a curious velvety luster. On the back of the piece is a second generation of whitish lenticular crystals that partially cover the crystals of the first generation of Calcite, offering a beautiful color contrast. The Trepča mining complex is one of the largest polymetallic deposits in the world and for many years has provided collectors with exceptional pieces of Sphalerite, as well as varied combinations of sulfides and carbonates as shown in this specimen, from the ex-Ferat Voca collection.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 8.3 × 5.2 × 4.7 cm = 3.27” × 2.05” × 1.85”

Main crystal size: 2.1 × 1 cm = 0.83” × 0.39”

SY47AC9: Calcite

A classic. Divergent growths, on matrix, of prismatic Calcite crystals with pinacoidal terminations, with very sharp edges, bright and transparent. The sample is from the Stoppani collection, whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
The sample has been noted and photographed in the monograph ‘St. Andreasberg’ of the Mineralogical Record magazine (May-June 2017, pg. 348)
St. Andreasberg, St. Andreasberg mining area, Goslar District, Harz, Lower Saxony/Niedersachsen Germany
Specimen size: 8.4 × 5.2 × 5.4 cm = 3.31” × 2.05” × 2.13”

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