Smithsonite on Metallic Ore Matrix - NTS 021

Smithsonite crystals with black inclusions metallic matrix,,Tsumeb

Measurements:  43 x 35 x 35 mm

Description:  
Clear smithsonite crystals up to about 5 mm wide with small, black inclusions (probably related to the matrix) sit on and in a dark grey / blackish (heavy) metallic matrix. The smithsonite crystals are well formed and the combination of clear and dark grey / black makes for a lovely specimen.

Only a few of the crystals have minute to small nicls.


Weight of Specimen:  62.9 g

Chemical Composition:  ZnCO3  (basic smithsonite formula)    

Hardness on Mohs Scale:  (smithsonite)  4 - 4

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 021

US $ 170





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