Calcite with Braunite II
Calcite with Braunite II
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa
Size: 2.5 x 2.1 x 2 cm (Thumbnail)
The specimen is a small cluster of intergrown crystals of braunite II with three interesting crystals of calcite. The calcite have trigonal terminations toditrigonal scalenohedrons. The braunite crystals have a bevelled edge with a lustrous overall finish and striations on the sides. The calcite has some white and grey colour zoning. The largest crystal measures 0.9cm. There are some abrasions here and there.
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SKU:SAMS-105
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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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