-
Calcite (twinned)
Mina de Áliva (Mina Las Mánforas), nivel 2, zona Minera Áliva, Camaleño, Comarca Liébana, Cantabria, España
82 mm x 75 mm x 51 mm (crystal size 26 mm x 15 mm) (Autor: Don Lum) -
Calcite (twinned)
Mina de Áliva (Mina Las Mánforas), nivel 2, zona Minera Áliva, Camaleño, Comarca Liébana, Cantabria, España
82 mm x 75 mm x 51 mm (Autor: Don Lum) -
Calcite (twinned)
Mina de Áliva (Mina Las Mánforas), nivel 2, zona Minera Áliva, Camaleño, Comarca Liébana, Cantabria, España
82 mm x 75 mm x 51 mm (Autor: Don Lum) -
Calcite (Twinned)
Mina Sokolovskoe (Mina Sokolovskiy), Rudny, Región Kostanay, Kazajstán
43 mm x 37 mm x 33 mm (Autor: Don Lum) -
Calcite (variety Co-bearing calcite), Calcite
República Democrática del Congo (Zaire)
33 mm x 25 mm x 22 mm (Autor: Don Lum)Calcite (variety Co-bearing calcite), Calcite
República Democrática d -
Calcite (variety Co-bearing calcite)
Lanping, Prefectura autónoma Nujiang, Provincia Yunnan, China
61 mm x 47 mm x 37 mm (Autor: Don Lum)Calcite (variety Co-bearing calcite)
Lanping, Prefectura autónoma Nujiang, Provincia Yunnan -
Calcite (variety Co-bearing calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Marruecos
4 x 3,5 cm (Autor: Volkmar Stingl)Calcite (variety Co-bearing calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Ma -
Calcite (variety cobaltoan calcite)
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
6 x 5 cm
Purplish-pink scalenohedra of calcite with lustrous faces and gemmy terminations (Author: Don Lum)
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Calcite (variety cobaltoan calcite)
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
6 x 5 cm
Purplish-pink scalenohedra of calcite with lustrous faces and gemmy terminations (Author: Don Lum)
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Calcite (variety cobaltoan calcite)
Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
6.7 cm (Autor: Nunzio) -
Calcite (variety cobaltoan calcite)
Mina Aghbar (Mina Arhbar), Distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
90 mm x 58 mm x 47 mm (Autor: Don Lum) -
Calcite (variety cobaltoan calcite)
Minas Agoudal, Tansifite, Agdz, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
78mm x 75mm x 52mm (Autor: Don Lum) -
Calcite (variety cobaltoan calcite)
Minas Agoudal, Tansifite, Agdz, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
78mm x 75mm x 52mm (Autor: Don Lum) -
Calcite (variety cobaltoan calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Marruecos
82mm x 53mm x 32mm (Autor: Don Lum)Calcite (variety cobaltoan calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Mar -
Calcite (variety cobaltoan calcite)
Mina Aghbar (Mina Arhbar), Distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
65mm x 42mm x 25mm (Autor: Don Lum) -
Calcite (variety cobaltoan calcite)
Wallis (Valais), Suiza
100 mm x 80 mm x 40 mm (Autor: Dany Mabillard) -
Calcite (variety cobaltoan calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Marruecos
46 mm x 40 mm x 30 mm (Autor: Don Lum)Calcite (variety cobaltoan calcite)
Distrito minero Bou Azzer, Región Drâa-Tafilalet, Mar -
Calcite (variety cobaltoan calcite)
Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
Specimen size 5,5 cm (Autor: Tobi) -
Calcite (variety cobaltoan), Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
3 x 3 cm (Autor: JC) -
Calcite (variety cobaltoan)
Minas Agoudal, Tansifite, Agdz, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
Specimen size: 8 × 7.5 × 3.3 cm / main crystal siz (Autor: Jordi Fabre) -
Calcite (variety colbaltoan calcite), Malachite
Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
127 mm x 70 mm x 64 mm (Autor: Don Lum) -
Calcite (variety glendonite) after Ikaite
Península Kola, Murmanskaja Oblast, Región del Norte, Rusia
90mm x 50mm (Autor: Don Lum)Calcite (variety glendonite) after Ikaite
Península Kola, Murmanskaja Oblast, Región del -
Calcite (variety glendonite) after Ikaite
Península Kola, Murmanskaja Oblast, Región del Norte, Rusia
57mm x 54mm (Autor: Don Lum)Calcite (variety glendonite) after Ikaite
Península Kola, Murmanskaja Oblast, Región del -
Calcite (variety kanonenspat) and Quartz
Jebel Masker, zona Imilchil, Tounfit, Provincia Khénifra, Región Beni Mellal-Khenifra, Marruecos
67 mm x 33 mm x 32 mm main crystal (Autor: Firmo Espinar) -
Calcite (variety kanonenspat) and Quartz
Jebel Masker, zona Imilchil, Tounfit, Provincia Khénifra, Región Beni Mellal-Khenifra, Marruecos
87 mm x 56 mm x 62 mm (Autor: Firmo Espinar) -
Calcite (variety manganese-rich) on Quartz
Mina Sheffler's Geode, St. Francisville, Condado Clark, Missouri, USA
large geode about 18 cm. The calcites are up to ab (Autor: Bob Harman)Calcite (variety manganese-rich) on Quartz
Mina Sheffler's Geode, St. Francisville, Condado Clark, -
Calcite (variety manganoan calcite), Dolomite, Pyrite
Zona mina Gavorrano, Gavorrano, Provincia Grosseto, Toscana, Italia
26 x 25 cm (Autor: Sante Celiberti)Calcite (variety manganoan calcite), Dolomite, Pyrite
Zona mina Gavorrano, Gavorrano, Provincia G -
Calcite (variety manganoan calcite), Dolomite, Pyrite
Zona mina Gavorrano, Gavorrano, Provincia Grosseto, Toscana, Italia
26 x 25 cm (Autor: Sante Celiberti)Calcite (variety manganoan calcite), Dolomite, Pyrite
Zona mina Gavorrano, Gavorrano, Provincia G -
Calcite (variety manganoan calcite)
Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
70 mm x 55 mm x 47 mm (Autor: Don Lum) -
Calcite (variety manganoan calcite)
Schönbrunn, Oelsnitz, Vogtlandkreis, Sajonia/Sachsen, Alemania
30 x 20 x 20 mm (Autor: SunYi)Calcite (variety manganoan calcite)
Schönbrunn, Oelsnitz, Vogtlandkreis, Sajonia/Sachsen, Al -
Calcite (variety manganoan) on Kutnohorite
Mina N'Chwaning III, Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
2.5cm X 2.3cm x 1.3cm (Autor: steven calamuci) -
Calcite (variety manganoan) on Kutnohorite
Mina N'Chwaning I, Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
2.5cm X 2.3cm x 1.3cm (Autor: steven calamuci) -
Calcite (variety manganoan) on Kutnohorite
Mina N'Chwaning I, Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
2.5cm X 2.3cm x 1.3cm (Autor: steven calamuci) -
Calcite (variety manganoan), Dolomite, Anhydrite
Mina Campiano, Montieri, Provincia Grosseto, Toscana, Italia
18 x 13 cm (Autor: Sante Celiberti)Calcite (variety manganoan), Dolomite, Anhydrite
Mina Campiano, Montieri, Provincia Grosse -
Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, Italia
detail (Autor: Firmo Espinar)Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, -
Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, Italia
detail (Autor: Firmo Espinar)Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, -
Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, Italia
110 mm x 60 mm x 78 mm (Autor: Firmo Espinar)Calcite (variety Mn-bearing calcite)
Ravi, Gavorrano, Provincia Grosseto, Toscana, -
Calcite (variety Mn-bearing)
Túnel norte Wuyi (obras), Wuyishan, Prefectura Nanping, Provincia Fujian, China
6,5 x 5 cm (Autor: Volkmar Stingl) -
Calcite (variety Mn-bearing)
Túnel norte Wuyi (obras), Wuyishan, Prefectura Nanping, Provincia Fujian, China
6,5 x 5 cm (Autor: Volkmar Stingl) -
Calcite (variety sand-calcite)
Rattlesnake Butte, Condado Jackson, South Dakota, USA
6.7 x 5.4 cm (Autor: am mizunaka)Calcite (variety sand-calcite)
Rattlesnake Butte, Condado Jackson, South Dakota, US -
Calcite (variety sand-calcite)
Clay pit, Mályi, Distrito Miskolc, Borsod-Abaúj-Zemplén, Hungría
5 x 3,5 cm (Autor: Volkmar Stingl)Calcite (variety sand-calcite)
Clay pit, Mályi, Distrito Miskolc, Borsod-Abaúj-Zemplén, Hungrí -
Calcite (variety sand-calcite)
Clay pit, Mályi, Distrito Miskolc, Borsod-Abaúj-Zemplén, Hungría
5 x 3,5 cm (Autor: Volkmar Stingl)Calcite (variety sand-calcite)
Clay pit, Mályi, Distrito Miskolc, Borsod-Abaúj-Zemplén, Hungrí -
Calcite + ?
Eller Beck, Askrigg, North Yorkshire, England, UK.
FOV 20 x 20 mm approx (Author: nurbo)
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Calcite + ?
Eller Beck, Askrigg, North Yorkshire, England, UK.
35 x 30 mm (Author: nurbo)
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Calcite + ?
Stank Mine near Barrow in Furness,Cumbria
FOV sapprox 15 x 15 mm
What an interesting termination this crystal has. (Author: nurbo)
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Calcite + ?
Stank Mine near Barrow in Furness,Cumbria
FOV sapprox 15 x 15 mm (Author: nurbo)
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Calcite + ?
Stank Mine near Barrow in Furness,Cumbria
FOV sapprox 15 x 15 mm (Author: nurbo)
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Calcite + ?
Stank Mine near Barrow in Furness,Cumbria
FOV sapprox 15 x 15 mm (Author: nurbo)
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Calcite + ? under LW UV
Eller Beck, Askrigg, North Yorkshire, England, UK.
FOV 20 x 20 mm approx (Author: nurbo)
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Calcite + analcime. A gorgeous brown group of slightly curved rhombohedral calcites, in a vug lined with small (2mm) analcime crystals. The calcites are very lustrous, and rather difficult to photograph ! Vug measures 36mm high x 25mm wide. Self-collected 1999 from Talisker Bay, Minginish, Isle of Skye. (Author: Mike Wood)
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Calcite + chabazite + analcime
Talisker Bay, Isle of Skye, Scotland, UK
Calcite crystals 25 mm
Honey-brown spike of rhombohedral calcite crystals 25mm long stands in a vug (35mm x 20mm) lined with small twinned pinkish chabazite crystals and a single white analcime crystal (3mm). Self-collected 1992 from Talisker Bay, Isle of Skye. (Author: Mike Wood)
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Calcite + chabazite. A nice ’floater’ specimen of transparent yellowish calcite with a matt surface, on lustrous chabazites. Specimen is 23mm high x 20mm x 17mm. Self-collected 2009 from Moonen Bay, Isle of Skye. (Author: Mike Wood)
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Calcite + chabazite. A not-so-good photo showing a nice yellowish transparent calcite rhomb to 15mm on edge, on a bed of small chabazite crystals. Specimen is 50mm x 25mm x 22mm. Self-collected 1999 from Moonen Bay, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite
Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland, UK
The plate measures 22 cm x 13 cm
Very large plate covered on both sides with simple calcite rhombs to 5mm, on a layer of micro stilbite crystals (which are much more exposed on the back of the specimen). Several groups of large pale yellow interpenetrant calcite rhombs are perched aesthetically on the specimen. The plate measures 22cm x 13cm. Self-collected, in the company of Dave Green, 1997 from Biod a’ Mhurain, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite
Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland, UK
The large calcites 29 mm on edge
A beautiful specimen of transparent, slightly etched rhombohedral calcite with some modifications to the corners and edges. The large calcites (to 29mm on edge) rest on a bed of micro stilbite crystals and a few simple calcite rhombs. This is the first specimen I found at this locality; it was exposed to the atmosphere and colourless. The other calcites found within the cavity have a yellowish hue. Self-collected 1996 from Biod a’ Mhurain, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite
Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland, UK
Specimen is 75 mm x 45 mm
Calcite crystal 20mm wide
An interpenetrant rhombohedral calcite crystal 20mm wide is perched aesthetically on a bed of simple calcite rhombs (to 4mm), on a thin bed of micro stilbite crystals. Specimen is 75 mm x 45 mm. Self-collected 1997 from Biod a’ Mhurain, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite
Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland, UK
Calcite crystal 33 mm
A large interpenetrant rhombohedral twinned calcite crystal 33mm wide is perched aesthetically on a bed of smaller simple calcite rhombs, which are in turn deposited on a thin layer (1mm) of tiny stilbites. The calcites are mostly dull with surface etching or coating but are transparent otherwise. Found at a very remote locality on the Duirinish peninsular. This specimen and the next three specimen photo’s all came from the same large vein cavity, in basalt lava. Self-collected 1997 from Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland. (Author: Mike Wood)
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Calcite + stilbite
Camas na h-Uamha (Bay of Caves), Duirinish, Isle of Skye, Scotland, UK
Specimen is 75 mm wide and 55 mm high.
This specimen is from a different locality, though again it was in a vein cavity in basalt. There are THREE different forms of calcite here, though only two are represented on this specimen. The earlier scalenohedral calcites are coated with micro-crystallised stilbite, with simple later calcite rhombs on top; a rather beautiful combination. Specimen is 75mm wide and 55mm high. By the way, that calcite scalenohedron near the bottom left that sticks out leftwards - is stuck back on - in this case it was probably an unnecessary repair! Self-collected 1998 from Camas na h-Uamha (Bay of Caves), Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite. An elongated scalenohedron of calcite 64mm long is coated with micro stilbites, with a few rhombohedral calcites aesthetically perched on the larger crystal. Self-collected 1999 from Camas na h-Uamha, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite. Basically a rhombohedral habit of transparent calcite, but elongated, into thin crystals, on a bed of stilbite. Specimen measures 55mm wide x 40mm high x 30mm deep. Self-collected 1994 from Sgurr nam Boc, Minginish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite. Nice yellowish rhombohedral calcite crystal to 15mm on the front edge, associated with small white stilbite crystals. Specimen is 37mm wide x 20mm high x 20mm deep. Self-collected 1992 from Sgurr an Duine, Minginish, Isle of Skye. ( Sgurr an Duine is the cliff/beach immediately north of Sgurr nam Boc.) (Author: Mike Wood)
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Calcite + stilbite. Same specimen as Skye Minerals 094 seen previously, from a slightly different angle. Specimen is 58mm high and 80mm wide from this angle. Self-collected 1998 from Camas na h-Uamha, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite + stilbite. The only decent specimen showing the third habit of calcite at this locality. A ’butterfly’ twinned and flattened scalenohedral crystal measuring 25mm x 19mm is partially coated with micro stilbites, as is the more common elongated scalenohedral ’dog-tooth’ habit of crystal. The later more simple rhombohedral calcites appear to have been deposited after the earlier forms af calcite were covered with the micro stilbite crystals. Specimen measures 80mm wide (not all shown in the photo) x 45mm high x 40mm deep. Self-collected 1998 from Camas na h-Uamha, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite - Quartz
Grisones (Grischun; Graubünden), Suiza
70 mm x 50 mm x 60 mm (Autor: Dany Mabillard) -
Calcite - Sweetwater Mine Reynolds Co. Missouri USA (Viburnum Trend) large cabinet specimen (Author: Singingstone48)
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calcite 1.JPG (Author: nurbo)
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Calcite 1
Stahovica Slovenia
15 cm x 15,5 cm x 5 cm (Author: Leon56)
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calcite 2.JPG (Author: nurbo)
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Calcite 2
Quarry in Stahovica, Slovenia
14 cm x 10 cm x 8 cm (Author: Leon56)
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Calcite 3 - crystal
Quarry in Stahovica, Slovenia
11 cm x 12 cm x 6 cm (Author: Leon56)
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Calcite 4 - fluorescent crystal
Quarry in Stahovica, Slovenia
2 pieces: 4 cm x 3 cm x 3 cm (Author: Leon56)
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calcite 4.JPG (Author: nurbo)
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Calcite 5- geode shell
Quarry in Stahovica, Slovenia
14 cm x 11 cm x 5 cm
(Author: Leon56)
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Calcite after ammonite
Alberta, Canadá
220 mm x 171 mm x 40 mm (Autor: Don Lum) -
Calcite after ammonite
Alberta, Canadá
220 mm x 171 mm x 40 mm (Autor: Don Lum) -
Calcite after ammonite
Alberta, Canadá
272 mm x 200 mm (Autor: Don Lum) -
Calcite after ammonite
Alberta, Canadá
272 mm x 200 mm (Autor: Don Lum) -
Calcite after Gypsum
Barranco de Los Cazadores, Rivas-Vaciamadrid, Comarca Área metropolitana de Madrid, Comunidad de Madrid, España
75 mm x 63 mm x 62 mm (Autor: Firmo Espinar) -
Calcite after Halite
Fairview, Condado Major, Oklahoma, USA
2.0 x 2.0 cm (Autor: crosstimber) -
Calcite after Ikaite (variety glendonite)
Río Olenitsa, Península Kola, Murmanskaja Oblast, Región Norte, Rusia
2.0 x 2.0 cm (Autor: Michael Shaw)Calcite after Ikaite (variety glendonite)
Río Olenitsa, Península Kola, Murmanskaja Oblast, Región -
Calcite and amphibole
Příbram, Región Bohemia Central, Bohemia, República Checa
15 x 30 cm (Autor: Psax) -
Calcite and Aragonite
Carlsbad, Condado Eddy, New Mexico, USA
105 mm x 75 mm x 70 mm (Autor: Robert Seitz) -
Calcite and Aragonite
Carlsbad, Condado Eddy, New Mexico, USA
105 mm x 75 mm x 70 mm (Autor: Robert Seitz) -
Calcite and Aurichalcite
Helvetia area, Helvetia-Rosemont District, Santa Rita Mts., Pima County, Arizona, USA
96 x 62 mm (Author: GneissWare)
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Calcite and Celestine
Cataratas Chittenango, Fenner, Madison County, New York, USA
4.5 x 5.2 cm (Autor: crosstimber) -
Calcite and Cerussite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
75mm x 48mm x 37mm (Autor: Heimo Hellwig) -
Calcite and Cerussite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
75mm x 48mm x 37mm (Autor: Heimo Hellwig) -
Calcite and Cerussite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
75mm x 48mm x 37mm (Autor: Heimo Hellwig) -
Calcite and Cerussite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
75mm x 48mm x 37mm (Autor: Heimo Hellwig) -
Calcite and Conichalcite.
Concesión La Cena del Depósito, Huércal-Overa, Comarca Levante Almeriense, Almería, Andalucía, España
10 cm x 6 cm x 4 cm (Autor: Firmo Espinar) -
Calcite and Conichalcite.
Concesión La Cena del Depósito, Huércal-Overa, Comarca Levante Almeriense, Almería, Andalucía, España
10 cm x 6 cm x 4 cm (Autor: Firmo Espinar) -
Calcite and Conichalcite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
58mm x 63mm x 37mm (Autor: Heimo Hellwig) -
Calcite and Copper
Keweenaw Peninsula, Upper Peninsula Region, Michigan, USA
40 x 32 x 18 mm (Author: GneissWare)
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Calcite and Copper
Quincy Mine, Pewabic Amygdaloid Lodes, Houghton County, Michigan, USA
114 x 82 x 75 mm (Author: GneissWare)
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Calcite and Copper
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
57mm x 40mm x 23mm (Autor: Heimo Hellwig) -
Calcite and Copper
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
57mm x 40mm x 23mm (Autor: Heimo Hellwig) -
Calcite and Copper
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
57mm x 40mm x 23mm (Autor: Heimo Hellwig) -
Calcite and Copper
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
57mm x 40mm x 23mm (Autor: Heimo Hellwig) -
Calcite and Copper
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
33mm x 24mm x 20mm (Autor: Heimo Hellwig) -
Calcite and Dolomite
Mina de Áliva (Mina Las Mánforas), zona Minera Áliva, Camaleño, Comarca Liébana, Cantabria, España
124 X 106 mm (Autor: Manuel Mesa) -
Calcite and Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
89mm x 64mm x 24mm (Autor: Heimo Hellwig) -
Calcite and Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
89mm x 64mm x 24mm (Autor: Heimo Hellwig) -
Calcite and Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
89mm x 64mm x 24mm (Autor: Heimo Hellwig) -
Calcite and Dolomite
Banská tiavnica (Schemnitz), Distrito Banská tiavnica, Región Banská Bystrica, Eslovaquia
56 mm x 50 mm x 27 mm (Autor: Dany Mabillard) -
Calcite and duftite
Tsumeb mine Namibia
2,5cm (Author: parfaitelumiere)
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Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
134mm x 72mm x 75mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60x110x110mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60x110x110mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60x110x110mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60x110x110mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
36mm x 20mm x 14mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
134mm x 72mm x 75mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
134mm x 72mm x 75mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
134mm x 72mm x 75mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
42mm x 23mm x 17mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
121mm x 142mm x 65mm (Autor: Heimo Hellwig) -
Calcite and Duftite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
121mm x 142mm x 65mm (Autor: Heimo Hellwig) -
Calcite and Fluorite. Moscona Mine. Solís. Asturias. Spain. 11 x 7 cm.
Crystal size 3 cm (Author: nimfiara)
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Calcite and fluorite
Elmwood, Carthage, Smith Co., Tennessee, USA
6.2 x 6.7 cm
Pale yellow calcite crystals in parallel growth with stepped cubes of light purple fluorite. (Author: crosstimber)
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Calcite and fluorite.
Naica, Chihuahua, Mexico.
8.5 cm. (Author: javmex2)
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Calcite and Fluorite
Mina Moscona, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principado de Asturias (Asturias), España
78 x 47 mm (Autor: Manuel Mesa) -
Calcite and Fluorite
Mina Moscona, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principado de Asturias (Asturias), España
153 x 122 mm (Autor: Manuel Mesa) -
Calcite and Fluorite
Mina Moscona, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principado de Asturias (Asturias), España
70 x 70 mm (Autor: Manuel Mesa) -
Calcite and Fluorite
Mina Minerva I, Grupo Ozark-Mahoning, Sub-Distrito Cave-in-Rock, Condado Hardin, Illinois, USA
2.3 x 5.3 cm (Autor: crosstimber) -
Calcite and Fluorite
Castleton, Distrito High Peak, Derbyshire, Inglaterra / Reino Unido
70cm x 70cmm (Autor: Forrestblyth) -
Calcite and Goethite, Mapimi Durango Mexico.
Size: 2.6cm. (Author: javmex2)
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Calcite and Helvine
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
97 x 83 mm (Autor: Manuel Mesa) -
Calcite and Heulandite on Quartz
Distrito Jalgaon, Maharashtra, India
20 x 15 cm, 6 X 4 cm calcite crystal (Autor: Jean Suffert)Calcite and Heulandite on Quartz
Distrito Jalgaon, Maharashtra, In -
Calcite and Heulandite-Ca on Mordenite
Distrito Jalna, Maharashtra, India
4.1 cm x 6.0 cm (Autor: Michael Shaw)Calcite and Heulandite-Ca on Mordenite
Distrito Jalna, Maharasht -
Calcite and iron oxide
Tsumeb, Namibia
60 x 37 x 23 mm
Same as above. (Author: Pierre Joubert)
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Calcite and iron oxide
Tsumeb, Namibia
60 x 37 x 23 mm
Same as above. (Author: Pierre Joubert)
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Calcite and iron oxide
Tsumeb, Namibia
60 x 37 x 23 mm (Author: Pierre Joubert)
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Calcite and Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
80x80x50mm (Autor: Heimo Hellwig) -
Calcite and Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
92mm x 58mm x 65mm (Autor: Heimo Hellwig) -
Calcite and Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
92mm x 58mm x 65mm (Autor: Heimo Hellwig) -
Calcite and Marcasite
Brushy Creek Mine, Reynolds County, Missouri, USA
26 x 19 x 11.4 cm (Author: Don Lum)
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Calcite and Mimetite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60mm x 23mm x 30mm (Autor: Heimo Hellwig) -
Calcite and Mimetite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60mm x 23mm x 30mm (Autor: Heimo Hellwig) -
Calcite and Mimetite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
60mm x 23mm x 30mm (Autor: Heimo Hellwig) -
Calcite and Mimetite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
83mm x 57mm x 46mm (Autor: Heimo Hellwig) -
Calcite and Mimetite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
83mm x 57mm x 46mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
100mm x 60mm x 50mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
100mm x 60mm x 50mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
100mm x 60mm x 50mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
100mm x 60mm x 50mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
58mm x 90mm x 92mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
58mm x 90mm x 92mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
38mm x 60mm x 32mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
81mm x 56mm x 45mm (Autor: Heimo Hellwig) -
Calcite and Mottramite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
81mm x 56mm x 45mm (Autor: Heimo Hellwig) -
Calcite and oyelite
N’Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape, South Africa
23 x 18 mm (Author: Pierre Joubert)
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Calcite and Pyrite
Mina Viburnum No. 28, Courtois, Distrito Viburnum Trend, Condado Washington, Missouri, USA
7.4 cm x 7.5 cm x 3 cm (Autor: Turbo) -
Calcite and Pyrite
Chivor (distrito minero), Mina El Acuario, Municipio Chivor, Cinturón Esmeraldífero Oriental, Departamento Boyacá, Colombia
Dolomite rhomb ~1cm (Autor: Fiebre Verde) -
Calcite and Pyrite
Túnel norte Wuyi (obras), Wuyishan, Prefectura Nanping, Provincia Fujian, China
12 x 6 cm (Autor: Volkmar Stingl) -
Calcite and Pyrite
Mina Campiano, Montieri, Provincia Grosseto, Toscana, Italia
FOV 46 mm (Autor: Firmo Espinar) -
Calcite and Pyrite
Mina Campiano, Montieri, Provincia Grosseto, Toscana, Italia
FOV 9 mm (Autor: Firmo Espinar) -
Calcite and Pyrite
Mina Campiano, Montieri, Provincia Grosseto, Toscana, Italia
212 mm x 144 mm x 54 mm (Autor: Firmo Espinar) -
Calcite and quartz (Author: Pierre Joubert)
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Calcite and Quartz
Afloramiento en la ruta estatal 1, Woodbury, Condado Cannon, Tennessee, USA
4 1/2 x 3 1/2 in. (Autor: jordanlowe1089) -
Calcite and Quartz
Afloramiento en la ruta estatal 1, Woodbury, Condado Cannon, Tennessee, USA
4 1/2 x 3 1/2 in. (Autor: jordanlowe1089) -
Calcite and Quartz
Mina Herja, Chiuzbaia, Baia Sprie, Maramures, Rumanía
FOV 22 mm (Autor: Adrian Pripoae) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
110 x 68 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
180 x 114 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
105 X 105 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
90 x 65 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
104 x 94 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Zona minera Huanggang, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Región Autónoma Mongolia Interior, China
115 x 77 mm (Autor: Manuel Mesa) -
Calcite and Quartz
Montes Goboboseb, Zona Brandberg, Región Erongo, Namibia
69 x 46 x 26 mm (Autor: Pierre Joubert) -
Calcite and Quartz
Mina Droujba, Complejo Djurkovo, Laki, Montes Rhodope, Municipio Laki, Plovdiv Oblast, Bulgaria
80 mm x 60 mm x 40 mm (Autor: Dany Mabillard) -
Calcite and Quartz
Mina Herja, Chiuzbaia, Baia Sprie, Maramures, Rumanía
2.5 cm x 2.9 cm (Autor: Michael Shaw) -
Calcite and Quartz
Túnel Baimashan (obras), Qianbaxia, Wuyishan, Prefectura Nanping, Provincia Fujian, China
6 x 5 cm (Autor: Volkmar Stingl) -
Calcite and Rhodochrosite
Baia Mare, Maramures, Rumanía
100m x 50mm x 30mm (Autor: Philippe Durand) -
Calcite and siderite
Mas Dieu, Gard, France
fov 5.5 mm (Author: ploum)
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Calcite and Smithsonite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
61mm x 65mm x 38mm (Autor: Heimo Hellwig) -
Calcite and Smithsonite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
61mm x 65mm x 38mm (Autor: Heimo Hellwig) -
Calcite and Sphalerite
Mina de Áliva (Mina Las Mánforas), nivel 3, zona Minera Áliva, Camaleño, Comarca Liébana, Cantabria, España
145 x 90 mm (Autor: Manuel Mesa) -
Calcite and Stibnite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
110 X 110 mm (Autor: Manuel Mesa) -
Calcite and Stibnite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
117 X 102 mm (Autor: Manuel Mesa) -
Calcite and Willemite
Franklin, New Jersey, USA
5x5 cm (Author: LennyL)
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Calcite and Willemite
Franklin, NJ
12x8
Do you see the alligator? (Author: LennyL)
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Calcite and Willemite
Franklin, NJ
6x6 (Author: LennyL)
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Calcite and Willemite
Franklin, NJ
6x4 (Author: LennyL)
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Calcite Aragonite
Heights Mine, Eastgate, Weardale, Co Durham, England, UK.
FOV 20 x 15 mm approx (Author: nurbo)
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Calcite Aragonite
Heights Mine, Eastgate, Weardale, Co Durham, England, UK.
FOV 25 x 20 mm approx (Author: nurbo)
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Calcite Aragonite
Heights Mine, Eastgate, Weardale, Co Durham,
England, UK.
Calcite to 17 mm (Author: nurbo)
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Calcite Aragonite
Heights Mine, Eastgate, Weardale, Co Durham, England, UK.
55 x 25 mm (Author: nurbo)
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Calcite Barite flowstone forming
10 meter pano
(Author: Forrestblyth)
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Calcite Barite Flowstone
Mina Blue John (Cueva Blue John), Castleton, Distrito High Peak, Derbyshire, Inglaterra / Reino Unido
Pano 10 meter (Autor: Forrestblyth) -
Calcite cluster on Calcite, Fengjiashan Mine, Edong Mining District, Daye County, Huangshi Prefecture, Hubei Province, China. 9 x 5 x 4 cm, (Author: Samuel)
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Calcite coating plant roots from Cata Mine, Mexico. 14x7x4 cm including root sticking out of the edge. (Author: Jessica Simonoff)
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Calcite confirmed (Author: Lumaes)
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Calcite crystal (4 x 3 cm) on limestone matrix from the Walhalla limestone quarry, Regensburg, Bavaria. (Author: Andreas Gerstenberg)
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Calcite crystals from National Limestone Quarry, Pennsylvania. 4x4x3 cm. (Author: Jessica Simonoff)
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Calcite crystals from National Limestone Quarry, Pennsylvania. The crystals have an interesting habit but I’m not good enough at crystallography to know about them. 8x6x4 cm and the largest crystal is 2 cm long. (Author: Jessica Simonoff)
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Calcite dog tooth
Iraí, Rio Grande do Sul, Brazil
3,8 x 3,6 x 3,5 cm (Author: Anísio Cláudio)
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Calcite from Bou Azzur District, Morocco (Author: Gail)
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Calcite from China: 18.5 cm long and 13 cm at highest point. (Author: Turbo)
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Calcite from Minnesota, modified image (Author: Pete Richards)
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Calcite from Santa Eulalia, Chihuahua, Mexico. About 8 cm across. (Author: Darren)
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CALCITE FROM TENNESSEE, USA
Elmwood mine, Carthage, Central Tennessee District, Smith County, Tennessee, USA
8,5 x 7,5 x 4 cm (big)
(Author: Leon56)
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CALCITE FROM TENNESSEE, USA
Elmwood mine, Carthage, Central Tennessee District, Smith County, Tennessee, USA
5.8 x 4.8 x 2.6 cm (Author: Leon56)
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Calcite Galena Sphalerite
Depósito Krushev dol, Mina Krushev dol, Zona minera Madan, Montes Rhodope, Smolyan Oblast, Bulgaria
7 x 4,2 x 3,5 cm. / 117 g (Autor: DanovskiM) -
Calcite geode
Western Cape, South Africa
40 x 20 mm
A small geode of drusy calcite crystals (Author: Pierre Joubert)
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Calcite in Dolomite
Cantera Schäfer, Hambach - Gückingen area, Hahnstätten, Rhein-Lahn-Kreis, Renania-Palatinado/Rheinland-Pfalz, Alemania
8 x 4,5 cm (Autor: Volkmar Stingl) -
Calcite included with jamesonite
Mina Herja, Chiuzbaia, Baia Sprie, Maramures, Rumanía
1.5 x 2.0 cm (Autor: crosstimber)Calcite included with jamesonite
Mina Herja, Chiuzbaia, Baia Sprie, Maramures, Ruman -
Calcite label
(Author: Michael Shaw)
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Calcite Locality: José María Patoni, Durango, México size. 10.5cm x 10.6cm x9cm (Author: Luis Domínguez)
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Calcite on boulder, Morecambe seafront approx 350 x 350 mm (Author: nurbo)
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Calcite on amesite
Saranovskii mine, urals region, Russia
fov 1.8 mm (Author: ploum)
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Calcite on Amethyst
Minas Gerais
Calcite measures 35 mm. (Author: nurbo)
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Calcite on Amethyst base about 40 cm long and 40 cm, 20 cm wide. Uruguay (Author: silvio steinhaus)
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Calcite on Amethyst with Amethyst stalactite, about 55 cm in diameter (the geode) and 30 cm in height stalactite. Uruguay (Author: silvio steinhaus)
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Calcite on Amethyst with Amethyst stalactite, about 55 cm in diameter (the geode) and 30 cm in height stalactite. Uruguay (Author: silvio steinhaus)
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Calcite on Ankerite on Sphalerite
Niederfischbach, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
Specimen size 15 cm (Autor: Tobi) -
Calcite on Ankerite on Sphalerite
Niederfischbach, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
Specimen size 15 cm (Autor: Tobi) -
Calcite on ankerite
Bösenbrunn, Oelsnitz, Vogtlandkreis, Sajonia/Sachsen, Alemania
Specimen size 3,5 cm, crystal 13 mm (Autor: Tobi) -
Calcite on Aragonite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
Specimen height 9 cm (Autor: Tobi) -
Calcite on Aragonite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
Specimen height 9 cm (Autor: Tobi) -
Calcite on Aragonite
Distrito minero Lavrion, Prefectura Attikí (Attica), Grecia
9 x 7 cm (Autor: Volkmar Stingl) -
Calcite on Aragonite
Distrito minero Lavrion, Prefectura Attikí (Attica), Grecia
9 x 7 cm (Autor: Volkmar Stingl) -
Calcite on Aragonite
Distrito minero Lavrion, Prefectura Attikí (Attica), Grecia
9 x 7 cm (Autor: Volkmar Stingl) -
Calcite on Arsenopyrite
Mina Stan Trg (Stan Terg, Stari Trg), Complejo Trepča, Valle Trepča, Kosovska Mitrovica, Distrito Kosovska Mitrovica, Kosovo
4.6 x 3.1 x 2.6 cm (Autor: Michael Shaw) -
Calcite on Aurichalcite
Campiglia Marittima, Campigliese, Provincia Livorno, Toscana, Italia
18,5 x 12 cm (Autor: Sante Celiberti) -
Calcite on Baryte.
Taffs Well Quarry, Mid Glamorgan, Wales, UK.
FOV 30 x 25 approx (Author: nurbo)
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Calcite on Baryte.
Taffs Well Quarry, Mid Glamorgan, Wales, UK.
FOV 25 x 20 mm approx (Author: nurbo)
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Calcite on Baryte.
Taffs Well Quarry, Mid Glamorgan, Wales, UK.
70 x 40 mm (Author: nurbo)
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Calcite on Baryte.
Taffs Well Quarry, Mid Glamorgan, Wales, UK.
70 x 40 mm (Author: nurbo)
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Calcite on Baryte.
Taffs Well Quarry, Mid Glamorgan, Wales, UK.
70 x 40 mm (Author: nurbo)
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Calcite on basalt. Simple rhombs of transparent calcite to 11mm on edge rest on a bed of ’sugary’ looking calcite, which has a smooth surface. Specimen is 10cm x 8cm. Self-collected 1995 from Loch Bharcasaig, Duirinish, Isle of Skye. (Author: Mike Wood)
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Calcite on Calcite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
55mm x 70mm x 20mm (Autor: Heimo Hellwig) -
Calcite on Calcite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
55mm x 70mm x 20mm (Autor: Heimo Hellwig) -
Calcite on Calcite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
55mm x 70mm x 20mm (Autor: Heimo Hellwig) -
Calcite on Chabazite-(Ca)
Depósito Sarbai, Rudny, Región Kostanay, Kazajstán
6.8 x 5.6 cm (Autor: Michael Shaw) -
Calcite on Conicalcite
Mina Ojuela, Mapimí, Municipio Mapimí, Durango, México
8x4x2,5cm (Autor: Dave van Bladel) -
Calcite on Conicalcite
Mina Ojuela, Mapimí, Municipio Mapimí, Durango, México
8x4x2,5cm (Autor: Dave van Bladel) -
Calcite on dioptase
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
Specimen height 2,5 cm, large calcite 1 cm (Autor: Tobi) -
Calcite on Dolomite
Candesa Quarry - Verdenueva Height – Camargo – Cantabria - Spain.
5 x 4,4 cm.
Main crystal air of 3,9 cm. (Author: DAni)
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Calcite on Dolomite
Candesa Quarry - Verdenueva Height – Camargo – Cantabria - Spain.
5 x 4,4 cm.
Main crystal air of 3,9 cm. (Author: DAni)
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Calcite on Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
85x65x15mm (Autor: Heimo Hellwig) -
Calcite on Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
85x65x15mm (Autor: Heimo Hellwig) -
Calcite on Dolomite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
85x65x15mm (Autor: Heimo Hellwig) -
Calcite on Dolomite
Cantera Candesa, Alto de Verdenueva, Camargo, Comarca Santander, Cantabria, España
110 mm x 92 mm x 38 mm (Autor: Firmo Espinar) -
Calcite on Dolomite
Cantera Candesa, Alto de Verdenueva, Camargo, Comarca Santander, Cantabria, España
110 mm x 92 mm x 38 mm (Autor: Firmo Espinar) -
Calcite on Dolomite
Cantera Candesa, Alto de Verdenueva, Camargo, Comarca Santander, Cantabria, España
110 mm x 92 mm x 38 mm (Autor: Firmo Espinar) -
Calcite on epidote from Naica (Author: Peter Megaw)
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Calcite on Fe-Dolomite on Fluorite
Mina Yongping, Yongping, Yanshan, Prefectura Shangrao, Provincia Jiangxi, China
6 x 3 cm (Autor: Volkmar Stingl) -
Calcite on Fluorite
Hartley Birkett, Cumbria, UK.
FOV 15 x 10 mm (Author: nurbo)
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Calcite on Fluorite
Hartley Birkett, Cumbria, UK.
30 x 30 mm (Author: nurbo)
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calcite on fluorite
Mina El Tule, Melchor Muzquiz, Coahuila, Mexico
9 x 8 x 7 cm
Twinned platy calcite on dark purple petroliferous fluorite.
Peter Megaw specimen, Jeff Scovil photograph (Author: Peter Megaw)
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Calcite on fluorite
Minerva Mine #1, Cave In Rock District, Hardin Co., Illinois
5.3 x 5.4 cm (Author: crosstimber)
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