Sturmanite on Matrix, N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.
Sturmanite on Matrix, N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.
This specimen is made up of a deposit of Sturmanite discs that are slightly fatter and much more saturated in colour compared to the March 2005 find. These come from a pocket in Nov 1998, the Sturmanite discs have a good lustre and very nice deeper colour and are deposited onto a thin host matrix which also has a deposit of fine-grained Hematite. The largest crystal reaches up to 8mm. The main display face is in great condition, on the back side there are some broken-off crystals.
Size: 5.3 x 2.6 x 0.7cm
Locality: N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.
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SKU:SAMS0025
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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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