Dioptase Crystals on Matrix - NTS 017

Small specimen, dioptase and calcite crystals on matrix

Measurements:  28 x 19 x 17 mm

Description:  A small group of dioptase and calcite crystals on a (mostly calcite) conglomorate matrix.

The specimen has a few nicks.

Weight of Specimen:  8.3 g 

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

Hardness on Mohs Scale: 
 (dioptase)  5  
                                          (calcite)  3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 017


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