Nharo!

Kutnohorite, N’chwaning, Kalahari Manganese Field, Northern Cape, South Africa

$45.88 USD

This is a beautiful thumbnail of Kutnohorite from N’chwaning Mine III , Kalahari Manganese Field, Northern Cape, South Africa

Crystal Dimension: 2.6 cm (1.03”) x 1.7 cm (0.69”)

Perky Display Box Dimension:

3.5cm (1.3”) x 3.5cm (1.3”)

Crystal Weight: 4.3 grams

Kutnohorite is a rare calcium manganese carbonate mineral with magnesium and iron that is a member of the dolomite group. It forms a series with dolomite, and with ankerite.

The chemical formula for Kutnohorite is: 

Ca(Mn,Mg,Fe++)(CO3)2

 

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