Calcite - Mineral specimens search results

Mineral specimens search results

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Mineral specimens search results for [ Calcite ]

Aggregate, on matrix, of rhombohedral crystals with curved faces and edges. The luster is excellent but the mauve color is extraordinary, very intense and with beautiful shades and reflections.
Oumlil Mine, Oumlil, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (2013)
Specimen size: 10 × 6.2 × 4.3 cm = 3.94” × 2.44” × 1.69”

RC11Y9: Cobaltoan Calcite on Calcite with Aurichalcite inclusions (variety zeiringite)

Cobaltoan Calcite core with a very intense and deep mallow color included in a very pale green banded Calcite whose color (variety zeiringite) is due to the presence of Aurichalcite inclusions.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain
Specimen size: 4.9 × 4 × 4.4 cm = 1.93” × 1.57” × 1.73”

RG47W6: Cobaltoan Calcite with Calcite and Aurichalcite

Botryoidal growths, on matrix, of translucent cobaltoan Calcite. It has a very uniform, intense and deep color and it is with yellowish globular growths of Calcite and thin surfaces of pale greenish Aurichalcite.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain
Specimen size: 11.7 × 11.4 × 7.6 cm = 4.61” × 4.49” × 2.99”

TP27Z5: Cuprian Calcite

Rhombohedral Calcite crystals on a limonite matrix with very well defined faces and edges. They are very rich in blue inclusions of an undetermined secondary copper mineral. The crystals have been analyzed and, although their aspect suggests it could be another species, it is an unusual Calcite with inclusions. We will send a copy of the analysis to the buyer.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango Mexico
Specimen size: 8.6 × 4.4 × 4 cm = 3.39” × 1.73” × 1.57”

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

DR91AC7: Doubly terminated Calcite

Aggregate of Calcite crystals, some of them doubly terminated and one that is clearly dominant. They consist of a hexagonal prism and very flat terminal rhombohedra. They are colorless, clear, and very bright.
Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia
Specimen size: 8.6 × 6 × 5.8 cm = 3.39” × 2.36” × 2.28”

M82N: Doubly terminated Calcite

Doubly terminated Calcite. Sharp edges and pretty gemmy. A perfect representative sample from Berry Materials quarry.
Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana USA
Specimen size: 4.2 × 6.5 cm = 1.65” × 2.56”

RZ11H9: Doubly terminated Calcite

The sample mined the August 1960, must be one of the first known from the locality. Doubly terminated, a twin of two trapezohedrons with rhombohedrons forming the terminations.
La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain (06/1960)
Specimen size: 5 × 3.7 × 2.8 cm = 1.97” × 1.46” × 1.10”

NE16V5: Doubly terminated Calcite

Floater doubly terminated crystal, transparent, with yellow color and rich in faces. The predominating forms are the scalenohedron with and a shallow rhombohedron on the terminations. Some Dolomite is attached to the back side.
La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain
Specimen size: 7 × 4.4 × 3.7 cm = 2.76” × 1.73” × 1.46”

TM89AJ8: Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite

Great doubly terminated scalenohedral Calcite crystal with very well defined polycrystalline growths. It is translucent, very bright, with an intense yellow color, and on matrix with Sphalerite and Pyrite.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri USA
Specimen size: 15.4 × 7.8 × 5.4 cm = 6.06” × 3.07” × 2.13”

8TF130Y4: Doubly terminated Calcite with inclusions

Doubly terminated crystal, on matrix, with very complex forms. It is bright and transparent and shows a phantom growth in its central zone.
Pune District (Poonah District), Maharashtra India
Specimen size: 4.3 × 4.1 × 3.2 cm = 1.69”

KG70M2: Doubly terminated Calcite with Sphalerite

Elegant doubly terminated scalenohedral Calcite crystal, showing a well defined twin, good color and notable transparency. With a small Sphalerite crystal matrix.
The specimen is from the James Catmur collection and we’ll send the label with it.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee USA (±1993)
Specimen size: 10.9 × 8.7 × 3.6 cm = 4.29” × 3.43” × 1.42”

RF64L3: Doubly terminated Calcite with Sphalerite

Calcite crystal, with a small but aerial Sphalerite crystal, not well defined but complete. Calcite from this mine is not common in this well defined shape.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Picos de Europa massif, Camaleño, Comarca Liébana, Cantabria Spain (±1975)
Specimen size: 5.7 × 4.1 × 3 cm = 2.24” × 1.61” × 1.18”

Main crystal size: 1 × 0.7 cm = 0.39” × 0.28”

TB96H7: Manganoan Calcite with Pyrite

Bundles of scalenohedral, extraordinarily acute, crystals. Furthermore the esthetic shape of the specimen, the color and the luster are very good and the group is on a matrix rich of small crystals of Pyrite.
Pachapaqui mining district, Pachapaqui, Aquia District, Bolognesi Province, Ancash Department Peru (2003)
Specimen size: 8.8 × 8 × 2.9 cm = 3.46” × 3.15” × 1.14”

TN14AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

Spheroidal growths of lenticular Calcite crystals (Mn-bearing calcite) cover a matrix with translucent Quartz crystals as well as small Sphalerite crystals and are partially coated by microcrystals of Rhodonite included in a white clay mass. From a 2021 find in an as yet little-known mine. The different species have been analyzed and we will send a copy of the analysis to the buyer.
Austria Duvas Mine, Morococha District, Yauli Province, Junín Department Peru (02/2021)
Specimen size: 5.6 × 4.5 × 4 cm = 2.20” × 1.77” × 1.57”

TX14AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

TM66AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

TB56AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

TC96AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

TQ37AN2: Mn-bearing Calcite with Quartz, Sphalerite, Calcite and Rhodonite

TVB56XXX: Sand after Calcite

Curious morphology of this specimen, as it consists of sand concretions formed mainly by siliceous clasts, mostly Quartz, which have been cemented by Calcite acting as a binder and giving rise to the genesis of several concretionary individuals of whimsical and sculptural forms, mainly rounded and of white color zoning to yellowish due to clay inclusions and oxidations. This type of specimens and formations are locally known as 'pítoles' in the Segovia area.
Sepúlveda Massif, Comarca Villa y Tierra de Sepúlveda, Segovia, Castile and León Spain (09-10/2024)
Specimen size: 8.2 × 7.7 × 5.6 cm = 3.23” × 3.03” × 2.20”

CA66AI4: sand after Calcite

Group of crystals, one of them clearly dominant and all them (except one) doubly terminated. They show a prism with curved edges and a poorly defined terminal rhombohedron. The crystals are completely filled by sand inclusions. An American classic that is currently difficult to obtain in good samples because the area where they are found has been declared a National Park.
Rattlesnake Butte, Jackson County, South Dakota USA (±1990)
Specimen size: 7.7 × 5 × 3.9 cm = 3.03” × 1.97” × 1.54”

MT60AF1: sand after Calcite

Two doubly terminated crystals, formed by a prism with curved edges and a poorly defined terminal rhombohedron. The crystals are completely filled by sand inclusions. An American classic that is currently difficult to obtain in good samples because the area where they are found has been declared a National Park.
Rattlesnake Butte, Jackson County, South Dakota USA (± 1990)
Specimen size: 10.9 × 4.9 × 4.7 cm = 4.29” × 1.93” × 1.85”

Main crystal size: 9 × 3.3 cm = 3.54” × 1.30”

5TC37F3: Twinned Calcite

Although Calcite is a common species, that does not always hold true globally. This is a novelty for Madagascar since its discovery in August 2004, an aggregate that highlights the sharpness of its crystals, their color and luster and, especially, the appearance of extraordinarily unusual twins formed by the interpenetration of two rhombohedra.
Basalt Quarry, Ambariomiambana, Sambava District, Sava Region Madagascar (08/2004)
Specimen size: 5.2 × 3.3 × 2.3 cm = 2.05”

TMG97AN3: Twinned Calcite

A 'butterfly' twin of two very sharp Calcite crystals, with geometric bands of different intensities of red color due to Hematite inclusions. Interestingly similar to the classic English twinned Calcites from the Bigrigg area. The specimen is from the Alain Martaud collection.
Vaiges, Meslay-du-Maine, Mayenne, Mayenne Department, Pays de la Loire France
Specimen size: 7.4 × 7.1 × 2.4 cm = 2.91” × 2.80” × 0.94”

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”

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