Calcite and Oyelite on MatrixSKMF 004

Sparkling, gemmy calcite crystal with aggregates of oyelite, on matrix





Measurements:  55 x 53 x 32 mm

Description:  Sparkling, gemmy calcite crystal with aggregates of oyelite, on matrix.

The specimen has relatively little damage, only a few contact marks.

Weight of Specimen:  88.3 g

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

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

Location:  N'Chwaning 2 mine, Kalahari Manganese Fields, Kuruman area, South Africa.

Specimen Code:  SKMF 004

US $ 150







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