Smithsonite on Conglomorate Matrix - TS 027

Pink to greyish smithsonite crystals on conglomorate matrix

Measurements:  55 x 47 x 37 mm

Description:  Pink to greyish smithsonite crystals sit on a chalcocite / pyrite conglomorate matrix.

The specimen has a few contact marks.

Weight of Specimen:  158 g

Chemical Composition:  ZnCO3 (smithsonite basic formula)
                                        Cu
2S (chalcocite) 
                                        FeS2 (pyrite)

Hardness on Mohs Scale:   (smithsonite)  4 - 5                                                                           (chalcocite)  2.5 - 3
                                            (pyrite) 6 - 6.5

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 027

R 400

 ..


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