Dolomite and Calcite - TS 008

Measurements:  50 x 30 x 23 mm

Description:  Unusual habit crystals of clear smithsonite on a rock matrix, with bits of duftite. 

Most of the larger crystals have nicks.

Weight of Specimen:  17.2 g

Chemical Composition: ZnCO₃ (smithsonite) 
                                       PbCu(AsO₄)(OH) (duftite) H: 4½

Hardness on Mohs Scale:  (smithsonite)  4 – 5
                                           (duftite) H: 4½

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 008

R 220