Smithsonite and (?)Calcite on Matrix, Two-Sided - NTS 038

Measurements:  49 x 28 x 17 mm

Description:  A beautiful two-sided specimen consisting of drusy, very light green smithsonite and whitish (?)calcite crystals on a thin matrix. 

The only notable damage is to the edges of the specimen.

Weight of Specimen:  18.7 g

Chemical Composition:  ZnCO₃  (smithsonite basic formula)                                                       CaCO₃  (calcite)

Hardness on Mohs Scale:  (smithsonite)  4-5
                                          (calcite)  3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 038

US $ 140