Calcite on Hematite & Andradite
Calcite on Hematite & Andradite
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa
Size: 4.4 x 4 x 2.8 cm (Miniature)
The specimen has a lamellar topographic form made up of layers of andradite with hematite in a fine grained mix interspersed with calcite as a binder. The layers are stepped receding from the bottom level up to the top level. The hematite is granular and crystalline in metallic grey and silver. The andradite is very pale ochre orange. Then lastly at the top there is a large crystal mass of calcite emerging out of the lamellar formation. One of the calcite on the front is cleaved. From finds in Aug 2000.
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SKU:SAMS-266
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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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