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Olmiite with Hausmannite, N’Chwaning Mine lll, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa

$144.88 USD

This is a beautiful Olmiite piece with Hausmannite from N’Chwaning Mine lll, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa

Dimensions: 7.5cm (2.9”) x 4.5cm (1.7”)

Weight: 88 grams

“One of the most important mineral discoveries in the Kalahari Manganese Field during the past 15 years has been that of the Olmiite. (Ref: The Kalahari Manganese Field the adventure continues - pg.258)

Olmiite has the chemical formula:

CaMn[SiO3(OH)](OH)

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