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Manganoan Calcite, N’chwaning Mine lll, Kalahari Manganese Field, Northern Cape, South Africa

$144.88 USD

This is a Manganoan Calcite from, N’chwaning Mine lll, Kalahari Manganese Field, Northern Cape, South Africa 

Crystal Dimensions: 12.5cm (4.9”) x 8cm (3.1”)

Crystal Weight: 392 grams

Manganoan calcite or manganocalcite is a variety of calcite rich in manganese, which gives the mineral a pink color.

Its chemical formula is (Ca,Mn)CO 3.

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