Cobaltoan Calcite - SKMF 029

Sparkling pink, botryoidal rhodochrosite crystals on matrix

Measurements:  61 x 57 x 43 mm

Description:  An aggregate of cobaltoan calcite crystals with a soft, light pink colouring. The surface has bits of manganese on, as well as tiny, clear calcite crystals. 

The only damage is a few nicks to the edges.

Weight of Specimen:  138.5 g

Chemical Composition:
  (Ca,Co)CO3  (cobaltoan calcite)
                                       CaCO3  (calcite)

Hardness on Mohs Scale:  (cobaltoan calcite)  3
                                         (calcite)  3

Location:  Wessels / N'Cwaning 1 mine, Kalahari Manganese Fields, Kuruman area, South Africa. 

Specimen Code:  SKMF 029

US $ 75

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