Dioptase Crystals on Rock Matrix - NTS 007

Sparkling dioptase crystals on matrix, Tsumeb

Measurements:  47 x 28 x 27 mm

Description:  Sparkling dioptase crystals (up to about 10 mm long) sit on a rock matrix, with bits of calcite. 

Most of the crystals have minute to small nicks, and there is damage to the edges of the dioptase cluster.

Weight of Specimen:  34.6 g

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

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 007

US $ 65

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