Two-Sided Calcite Specimen with Duftite - TS 023

2-sided calcite specimen with bits of duftite

Measurements:  66 x 40 x 22 mm

Description:  A two-sided specimen of calcite crystals with bits of duftite and a brown mineral, unknown to us. When turned in light, the shiny surfaces of the calcite crystals can be better appreciated.

The specimen has a few contact marks and nicks on its sides and at the bottom.

Weight of Specimen:  40.3 g  

Chemical Composition:  CaCO3 (calcite)
                                        PbCu(AsO4)(OH) (duftite) 

Hardness on Mohs Scale:  (calcite)  3
                                          (duftite)  4.5

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 023

R 250

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