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Aragonite : CaCO3 | |
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Alzada, Carter Co., Montana, USA 7.5 x 5.0 x 4.8cm. A very sculptural and beautiful specimen of two pairs of translucent, brick-red aragonite stalactites on limestone from a most uncommon Montana locale - Carter County. Carter County is in extreme southeastern Montana in the Paleozoic Williston Basin, an area not known for fine mineral specimens. Obviously from a cavern there. ... |
| © Rob Lavinsky | Photo ID: 251193 View Count: 15 |
Calcite : CaCO3 | |
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Carter Co., Montana, USA Calcite (7,8cm x 7,2cm) Mario Pauwels collection , Fernand Van Mieghem photo |
| © Mario Pauwels | Photo ID: 173624 View Count: 977 |
Calcite : CaCO3 | |
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Carter Co., Montana, USA 5.4cm x 3.2cm x 1.5cm Honey colored Stalactite of calcite. No damage. Collection of Danny Jones. Purchased from M. PHANTOM MINERALS |
| © Danny Jones | Photo ID: 174340 View Count: 87 |
Calcite : CaCO3 | |
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Alzada, Carter Co., Montana, USA 7 x 5.2 x 3 cm. The Calcite (often referred to as Aragonite in this material...I was told that the analysis had been made) stalactites of Carter County are renowned for their form and color. This particular specimen is a superb example not only for the fact that is has the classic deep red- orange color and good translucence, but that the main ... |
| © Rob Lavinsky | Photo ID: 206065 View Count: 33 |
Calcite : CaCO3 | |
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Alzada, Carter Co., Montana, USA 8.6 x 4.5 x 3.7 cm. These calcite stalactites are superb - for a Carter County piece, this is about as good as it gets. It has intense color, dramatic form, and is in excellent condition. Ex. Helmut Bruckner Collection. |
| © Rob Lavinsky | Photo ID: 210876 View Count: 33 |
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