Dioptase and Calcite Crystals on Matrix - NTS 044

Gemmy, small dioptase crystals on calcite crystals, on matrix

Measurements:  37 x 31 x 14 mm

Description:  Gemmy, small dioptase crystals sit on calcite crystals which, in turn, sit on a matrix of (?)quartz. 

A number of the dioptase crystals have nicks, and some are damaged.  

Weight of Specimen:  20.3 g

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

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 044

US $ SOLD




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