Calcite with Duftite - NTS 029

Calcite crystals with duftite, on small matrix


Measurements:  49 x 45 x 34 mm

Description:  Calcite crystals, with some faces coated with duftite, on a small conglomorate matrix. 

The upper parts of the specimen has only a few small nicks, but there is quite a bit of damage lower down.

Weight of Specimen:  82.7 g

Chemical Composition:  PbCu(AsO4)(OH)  (duftite)
                                        CaCO
3  (calcite)                                    

Hardness on Mohs Scale:  (duftite)  4 
                                          (
calcite)  3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 029

US $ 65

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