Manganoam Calcite and Goethite on Rock Matrix - SKMF 006
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Measurements:
67 x 59 x 27 mm Description: Cream coloured, botryoidal, manganoam calcite
aggregates on reddish-brown to black goethite which, in turn, sits on a
thin
layer of mangenese and the latter, on rock matrix. The calcite has very little damage. Weight of Specimen: 93.0 g Chemical Composition: CaCO3 (calcite) Hardness on Moh's Scale: 3 (calcite) Location:
N'Chwaning 3, Kalahari Manganese Fields, Kuruman area, South Africa. Specimen Code:
SKMF 006 US $ 150 .
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