Calcite Crystals with Oyelite - SKMF 033

Measurements:  36 x 31 x 20 mm

Description:  A specimen consisting of sparkling, gemmy, clear, small calcite crystals with a few aggregate balls of delicate oyelite.   

The oyelite balls have some damage, not easily seen with the naked eye. Some of the calcite crystals have small nicks.

Weight of Specimen:  12.9 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 033

US $ 55

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