Calcite Crystals on Matrix - NTS 020

Lovely calcite crystals with (?)mottramite on matrix

Smoky Crystal

Measurements:  50 x 34 x 22 mm

Description:  A lovely group of calcite crystals on matrix, with some (?)mottramite. 

Some of the cacite crystals have small nicks.

Weight of Specimen:  33.7 g

Chemical Composition:  CaCO3  (calcite)
                                         PbCu(VO4)(OH)  (mottramite) 

Hardness on Mohs Scale:  (calcite)  3
  (mottramite)  3 - 3    

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 020



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