Calcite - Mineral specimens search results

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Mineral specimens search results for [ Calcite ]

A group of very complex crystals, with dominant scalenohedron but having a lot of different forms. Crystals are very clear and bright. A very esthetic sample.
Verkhnii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia
Specimen size: 9.8 × 7.2 × 3.3 cm = 3.86” × 2.83” × 1.30”

MR86E0: Calcite

An unusual Calcite whose form reminds one of a stalactite but whose crystals are transparent, not cloudy, well defined, richly endowed with multiple faces, and quite large. It is very pleasant and decorative at the same time.
The specimen has been published in the book 'China', by Berthold Ottens, on page 479.
Wenshan, Wenshan Autonomous Prefecture, Yunnan Province China (2003)
Specimen size: 7 × 5 × 5 cm = 2.76” × 1.97” × 1.97”

Main crystal size: 1.9 × 1.4 cm = 0.75” × 0.55”

TT37K3: Calcite

A curious crystalline growth that looks like a cup. The translucent crystal progressively increases its width from its base and at its termination it formed a very pronounced and deep hollow.
The specimen has been published in the book 'China', by Berthold Ottens, on page 386.
Wenshan, Wenshan Autonomous Prefecture, Yunnan Province China (2006)
Specimen size: 6 × 4.3 × 3.8 cm = 2.36” × 1.69” × 1.50”

TR49W8: Calcite

Curious parallel growth of packed crystals of Calcite on a first generation of yellowish crystals of the same mineral. The crystals are geometrically very well defined and have deeply hollowed. Those late crystals are very bright, colorless and between transparent and translucent.
Wenshan, Wenshan Autonomous Prefecture, Yunnan Province China (28/11/2010)
Specimen size: 15.5 × 13 × 9.5 cm = 6.10” × 5.12” × 3.74”

Main crystal size: 3.5 × 2.2 cm = 1.38” × 0.87”

TR94R9: Calcite

Group of acute scalenohedral crystals of Calcite that formed on a stalactitic growth with a very neat central cannel.
Wenshan, Wenshan Autonomous Prefecture, Yunnan Province China (09/2008)
Specimen size: 16.2 × 10.4 × 10.4 cm = 6.38” × 4.09” × 4.09”

SF49AB0: Calcite

Druze of very Sharp rhombohedral crystals that are translucent, bright, with a pale yellow color and are on matrix. As in so many specimens in this collection, the sample is of great quality for the locality.
Winterberg Quarry, Iberg, Bad Grund, Göttingen District, Harz, Lower Saxony/Niedersachsen Germany
Specimen size: 10 × 8.5 × 7.2 cm = 3.94” × 3.35” × 2.83”

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

TR9K9: Calcite "phantom"

Group of crystals formed by two rhombohedrons with evident scalenohedron “phantom” growth inside. The “phantom” is reddish due to a covering layer of Hematite.
Bou Azzer mining district, Drâa-Tafilalet Region Morocco (2006)
Specimen size: 7 × 5.6 × 3.4 cm = 2.76” × 2.20” × 1.34”

TA14K4: Calcite "phantom"

Group of yellowish crystals formed by two rhombohedrons, a steep one and a shallow one, with a red scalenohedral phantom growth due to a Hematite film that covers them.
Bou Azzer mining district, Drâa-Tafilalet Region Morocco (2006)
Specimen size: 9.7 × 9 × 4 cm = 3.82” × 3.54” × 1.57”

Main crystal size: 2.1 × 1.1 cm = 0.83” × 0.43”

JFD54AN8: Calcite (Co-bearing calcite variety) with Pyrite

They could do with a bit more luster, but the color, the sharpness of the crystals and the not so usual presence of Pyrite in the matrix made me fall in love with this piece that has been with me for many years, reminding me of those trips to Morocco so full of sunshine and adventure.
This specimen has been published on the Mineralogical Record´s web page, in the 'What's New' section, report 62, June 5, 2022 edition, page 7
Aghbar Mine (Arhbar Mine), Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (08/2002)
Specimen size: 7.5 × 5 × 4 cm = 2.95” × 1.97” × 1.57”

16NMB56: Calcite (Co-bearing variety)

Polished section, on each faces, translucent with banded growth patterns and intensely colored nuclei. The specimen preserves on some of the edges part of its original matrix, which contrasts with the deep color of the Calcite. A classic of Catalan mineralogy.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain
Specimen size: 9.0 × 6.6 × 0.8 cm = 3.54” × 2.60” × 0.31”

16NMA66: Calcite (Co-bearing variety)

Polished section, on one of its faces, translucent with banded growth patterns and intensely colored nuclei. The specimen preserves on some of the edges part of its original matrix, which contrasts with the deep color of the Calcite. A classic of Catalan mineralogy.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain
Specimen size: 9.1 × 5.8 × 1.5 cm = 3.58” × 2.28” × 0.59”

EPB62AO8: Calcite (twinned)

A novelty from Ste. Marie 2022. Complete floater contact twin of two very sharp Calcite crystals, very aerial, flattened and with very well defined crystal shapes. Transparent and uniform yellow. The specimen comes from a well-known but little-disclosed locality in the Canary Islands in which no finds of this type had been made previously.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 5 × 2 × 0.3 cm = 1.97” × 0.79” × 0.12”

EGH62AO8: Calcite (twinned)

A novelty from Ste. Marie 2022. Group of very sharp Calcite crystals, one of them very aerial, dominantly flattened and with a contact twin of very well defined crystal forms. Transparent and uniform yellow. The specimen comes from a well-known but little-disclosed locality in the Canary Islands in which no finds of this type had been previously made.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 2.8 × 2.5 × 1.4 cm = 1.10” × 0.98” × 0.55”

EPA62AO8: Calcite (twinned)

NRM14AQ0: Calcite (twinned)

Complex twinned crystal of Calcite with the dominant forms of a scalenohedron, transparent, with white inclusions in some of the faces, on matrix, with an earlier generation of white rhombohedral crystals. The specimen comes from the Antonino Bueno collection, whose label we will send to the buyer.
Áliva Mine (Las Mánforas Mine), level 2, Áliva mining area, Picos de Europa massif, Camaleño, Comarca Liébana, Cantabria Spain (2006)
Specimen size: 7.9 × 6.7 × 4.5 cm = 3.11” × 2.64” × 1.77”

TFB14AQ0: Calcite (twinned)

Contact twin, floater and complete, of two very sharp Calcite crystals, very aerial, flattened and with very sharp crystal forms. transparent and a uniform yellow color. The specimen comes from a well-known but little publicized Canary Island locality from which no such finds had been made before. Alain Martaud had kept it for his personal collection, from the selection he made when he first got these very unusual calcites. We will send the Alain's collection label to the buyer of the piece.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 4 × 1.7 × 0.3 cm = 1.57” × 0.67” × 0.12”

XM290EYR: Calcite (twinned)

A novelty at Sainte-Marie 2022 Very flattened and sharp crystal of Calcite with a light yellow hue, showing a juxtaposed twin that is reminiscent of gypsum crystals with the swallowtail habit.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 4.8 × 1.5 × 0.3 cm = 1.89” × 0.59” × 0.12”

XM290EFT: Calcite (twinned)

A novelty at Sainte-Marie 2022 Pair of very flattened and sharp Calcite crystals, with a light yellow color, displaying a very unusual contact twin.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 3.8 × 3.3 × 0.5 cm = 1.50” × 1.30” × 0.20”

XM290EXM: Calcite (twinned)

A novelty at Sainte-Marie 2022 Very flattened and sharp crystal of Calcite showing a contact twin that creates the interior reticulation observed thanks to the translucency of the light yellow crystal.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 5.3 × 1.5 × 0.3 cm = 2.09” × 0.59” × 0.12”

TFG6AQ0: Calcite (twinned)

TBF46AQ0: Calcite (twinned)

Two contact twins, one of them clearly dominant, a complete floater of very sharp Calcite crystals, very aerial and flattened. Transparent and a uniform yellow color. The specimen comes from a known but little publicized Canary Island locality from which previously no finds of this type had been made. Alain Martaud had kept it in his personal collection, from the selection he made when he first got these very unusual calcites. We will send the Alain's collection label to the buyer of the piece.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 5.4 × 2.8 × 1 cm = 2.13” × 1.10” × 0.39”

THF66AQ0: Calcite (twinned)

Crystal group, on matrix, of contact twins of Calcite, complete, very aerial and with very sharp crystal forms. Transparent and a uniform yellow color. The specimen comes from a well-known but not very publicized locality in the Canary Islands, where previously no such finds had been made. Alain Martaud had kept it in his personal collection, from the selection he made when he first got these very unusual calcites. We will send the Alain's collection label to the buyer of the piece.
De Tasarte Ravine, La Aldea de San Nicolás, Gran Canaria, Las Palmas Province, Canary Islands Spain (12/2021)
Specimen size: 6.1 × 4.4 × 2.7 cm = 2.40” × 1.73” × 1.06”

Main crystal size: 3.8 × 0.7 cm = 1.50” × 0.28”

16TP56: Calcite (twinned)

A common species like Calcite is not usually world class, but in this case we observe a group of crystals from the August 2004 discovery in Madagascar, formed by an attractive aggregate, in which the sharpness of the crystals, their color and luster, and especially the appearance of extraordinarily unusual twins, formed by the interpenetration of two rhombohedra, are outstanding.
Basalt Quarry, Ambariomiambana, Sambava District, Sava Region Madagascar (08/2004)
Specimen size: 3.5 × 3.1 × 2.5 cm = 1.38” × 1.22” × 0.98”

TDC27AN3: Calcite (twinned)

Group of Calcite crystals, one of them clearly dominant, doubly terminated, with very sharp scalenohedron forms and a very sharp interpenetration twin. Translucent, lustrous and on matrix. This specimen, which is exceptional for the locality, comes from the Alain Martaud collection.
Largentière Mines, Largentière, Vallon-Pont-d'Arc, Ardèche, Auvergne-Rhône-Alpes France (±1980)
Specimen size: 7.6 × 6.1 × 5.7 cm = 2.99” × 2.40” × 2.24”

Main crystal size: 7 × 4.4 cm = 2.76” × 1.73”

JBF76AP8: Calcite (twinned)

Calcite crystals, one of them clearly dominant and very aerial on the matrix, with a very evident, transparent, lustrous and colorless contact twin. The specimen, from a quarry little known for twinned specimens, comes from the collection of Andrés Jiménez Shelly.
Arambeltz Quarry, Ziordia (Ciordia), Comarca Barranca, Chartered Community of Navarre (Navarre) Spain
Specimen size: 5.7 × 5 × 3.9 cm = 2.24” × 1.97” × 1.54”

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