Dioptase Crystals on Calcite - NTS 003

Small, gemmy dioptase crystals on matrix

Measurements:  30 x 26 x 21 mm

Description:  Small, gemmy dioptase crystal on a bed of calcite (mostly crystals) which, in turn, sit on a dolomite (or calcite) matrix. The specimen has quite a few nicks.

Weight of Specimen:  17.8 g

Chemical Composition:  Cu2+SiO2(OH)2  (dioptase)                                                                      CaCO3  (calcite)

Hardness on Mohs Scale:  (dioptase)  
                                           (calcite)  3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 003



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