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Sturmanite

N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa

Reference specimen

Dimensions

Metric
1.8 x 1.3 x 1 cm

The thumbnail specimen has two shallow flat tabular crystal clusters of sturmanite connected by a twist of grainy matrix.The sturmanite has flat hexagonal bi-pyramidal discs and with bevelled edges. The sturmanite crystals are 1.1cm wide on average. From finds in March 2005.

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Photograph 1 of 5 Sturmanite

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Specimen data

Specimen number
SAMS-341
Size class
Thumbnail
Country
South Africa
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Mineral sizing guide

Longest dimension: Thumbnail up to 3 cm, Miniature up to 5 cm, Small Cabinet up to 9.4 cm, Cabinet over 9.4 cm. Size guide