Cobaltoan Calcite
Cobaltoan Calcite
Kolwezi Mine, Kolwezi, Mutshatsha, Lualaba, DR Congo
Size: 1.7 x 3.9 x 2.5 cm (Miniature)
The specimen has crystals of cobaltoan calcite on a calcitic matrix. Modified rhombic crystals of calcite have a deep magenta value very closely mimic the frosted surface luster of smithsonite. The narrow crystal face is part of an aggregate spread of crystals on top of a narrow wedge of rock matrix. The pink value has a deep tone and the crystals have a subtle frosted luster with intricate delicate detail. The largest crystal is 0.9cm x 0.7cm across.
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SKU:SAMS-324
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Mineral Sizing Guide
Understanding mineral sizes can help you choose the perfect specimen for your collection. Below is our guide to the standard size categories we use:
| Category |
Size |
Info |
| Thumbnail |
Up to 3 cm |
Thumbnails are small but well-formed mineral specimens that are perfect for display in thumbnail cases. |
| Miniature |
Up to 5 cm |
Great balance between size and detail - larger than thumbnails but still compact enough for easy storage and display. |
| Small-Cabinet |
Up to 9.4 cm |
Small-cabinet specimens offer larger crystal formations while still being easy to handle and display. |
| Cabinet |
Over 9.4 cm |
Ideal for prominent display pieces in a collection. Larger crystal formations and structure. |
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