Olmiite with Calcite
As recorded:
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa
42mm x 33mm x 25mm
Lustrous zoned olmiite crystals up to 8mm cover the top of the specimen, with a cluster of transparent calcite crystals reaching 1.5cm at the back of the specimen. Contacts areas at the edges but no damage to the olmiite or calcite. Pretty and displays well. Type locality for olmiite.
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