Sparkling Calcite Crystals and Oyelite on Matrix - SKMF 018

Measurements:  43 x 31 x 20 mm

Description:  Glass clear, sparkling crystals of calcite up to 1 cm long (some with phantoms), cover a small matrix of (possibly) manganite. There are several bits of oyelite on the specimen, and it also covers, what appears to be, a calcite crystal. 

There is very little damage to this pretty specimen.

Weight of Specimen:  21.9 g

Chemical Composition:  CaCO₃  (calcite)   
                                       Ca₁₀B₂Si₈O₂₉•12(H₂O)  (oyelite)    

Hardness on Mohs Scale:  3  (calcite)           
                                          5  (oyelite)   

Location:  N'Chwaning 2, Kalahari Manganese Fields, Northern Cape, South Africa.

Specimen Code:  SKMF 018

US $ 120

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