Calcite on Dolomite - TS 032

Well-formed, clear calcite crystals on crystallized dolomite matrix

Measurements:  52 x 38 x 28 mm

Description:  Well-formed, clear calcite crystals on a crystallized matrix of dolomite, with bits of duftite. 

Some of the calcite crystals have small nicks.

Weight of Specimen:  42.4 g

Chemical Composition:  CaCO3 (calcite)
                                        CaMg(CO3)2 (dolomite) 
                                        PbCu(AsO4)(OH) (duftite)

Hardness on Mohs Scale:  (calcite) 3
                                          (dolomite) 3.5-4
                                          (duftite): 4 

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 032


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