Dioptase with Calcite, on Matrix - TS 025

Dioptase crystals with calcite,, on rock matrix

Measurements:  65 x 38 x 35 mm

Description:  Dioptase crystals with calcite, on rock matrix. There is also a small cavity containing very small calcite and duftite crystals. 

The dioptase crystals have no notable damage.

Weight of Specimen:  105.4 g

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

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 025

R 350

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