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Calcite (Var: Iceland Spar) : CaCO3 | |
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Corumbá, Mato Grosso do Sul, Central-West Region, Brazil Sample size: 4,5 x 3,5 x 2,4 cm |
| © Bráulio | Photo ID: 51568 View Count: 529 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Gouveia, Minas Gerais, Southeast Region, Brazil Calcite with perfect Rhombohedral Clevage. This sample showing double refraction ( double repetion of clevage lines behind the sample). Size 6.5x6x3cm. Rafael Hernandes Corrêa-Silva Collection |
| © Brhounds | Photo ID: 47751 View Count: 925 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Gouveia, Minas Gerais, Southeast Region, Brazil Iceland Spar, note the double refraction over the black lines. The small image is an orientation illustrating the complete rhombohedral specimen. Size 4 x 2 cm. Photo and collection Pedro González. Equipment Olympus E-500 with Vivitar 90 mm. |
| © Pedro González | Photo ID: 164284 View Count: 198 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Sete Lagoas, Minas Gerais, Southeast Region, Brazil Calcite with perfect Rhombohedral Clevage. Size 7x4x5x5.5cm. Rafael Hernandes Corrêa-Silva Collection |
| © Brhounds | Photo ID: 47750 View Count: 374 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Guizhou Province, China Here is a nice yellow piece of Iceland Spar i acquired from China. It is 7.5 x 4 x 3 cm. From M. Adamowicz collection. |
| © M.Adamowicz | Photo ID: 204292 View Count: 144 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Helgustadir Mine, Reydarfjörđur, Iceland 12mm long XL of Iceland Spar |
| © JKT | Photo ID: 114186 View Count: 281 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Helgustadir Mine, Reydarfjörđur, Iceland Heart shaped Calcite on Iceland Spar. Sample is 40mm across |
| © JKT | Photo ID: 114187 View Count: 210 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Mount Skessa, Reydarfjörđur, Iceland Very large specimen, clear twinned cleavage mass. About 35cm tall. Natural History Museum collection. |
| © J.Ralph | Photo ID: 160545 View Count: 225 |
Calcite (Var: Iceland Spar) : CaCO3 | |
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Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia Calcite (Var.Iceland spar) from Tura, Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia Size 68 x 66 x 61 mm |
| © Oleg Lopatkin | Photo ID: 234496 View Count: 101 |
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