Calcite (twinned) - Mineral specimens search results

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Mineral specimens search results for [ 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”

Main crystal size: 2.5 × 1.5 cm = 0.98” × 0.59”

EPA62AO8: Calcite (twinned)

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”

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”

Main crystal size: 3.2 × 2 cm = 1.26” × 0.79”

AM47Z0: Twinned Calcite

Aggregate of twinned and complex Calcite crystals with the clearly dominant scalenohedron. They are transparent, bright and come from a Portuguese locality from which usually are not many samples.
Cantera Vale Rodrigues, Moita do Poço, Turquel, Alcobaça, Leiria Portugal (2009)
Specimen size: 10.6 × 8.2 × 4.8 cm = 4.17” × 3.23” × 1.89”

ET27AA4: Twinned Calcite

Aggregate of lenticular Calcite crystals, the largest with the prism faces more developed. The crystals are translucent, their color is between yellow and orange and they have a gray color zoning. As in so many specimens in this collection, the sample is of great quality for the locality.
La Sambre Quarry, Landelies, Montigny-le-Tilleul, Hainaut Province, Wallonia Region Belgium
Specimen size: 7.4 × 5.7 × 3.1 cm = 2.91” × 2.24” × 1.22”

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

TA56G1: Twinned Calcite

Fine specimen of the discovery in August 2004, in Madagascar, with the typical complex twin and excellent color, bright and clarity.
Basalt Quarry, Ambariomiambana, Sambava District, Sava Region Madagascar (08/2004)
Specimen size: 4.3 × 4 × 3.5 cm = 1.69” × 1.57” × 1.38”

TE56L0: Twinned Calcite

An interesting novelty of Tucson 2008. A nice twin of two short Calcite crystals. Prism faces are totally clear and transparent. Pinacoidal terminations are translucent. To increase its beauty the specimen has a small matrix. Excellent miniature.
Wuzhou Prefecture, Guangxi Zhuang Autonomous Region China (10/2007)
Specimen size: 2.8 × 2.7 × 2.2 cm = 1.10” × 1.06” × 0.87”

Main crystal size: 2.5 × 2.2 cm = 0.98” × 0.87”

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