Dioptase and Calcite Crystals on Matrix - NTS 007

Dioptase and calcite crystals on matrix, Tsumeb

Measurements:  35 x 26 x 10 mm

Description:  Dioptase and calcite crystals on rock matrix. The specimen has a few nicks. 

When we purchased the specimen, it already had a blob of prestik on its bottom, that a previous owner obviously used for mounting itWe removed as much as we could, but there is still an area of about 13 x 9 mm that obviously has prestik on it.

Weight of Specimen:  8.9 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 $ 35


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