Calcite and Duftite on Matrix - NTS 004

Lovely calcite and duftite crystals on rock matrix

Measurements:  105 x 72 x 36 mm

Description: 
A lovely specimen consisting of calcite crystals (some with a sprinkling of minute duftite crystals) sitting on rock matrix, covered with minute orangy crystals (possibly also calcite). A small part of the specimen has a worm-like shape, top right image.

The specimen has very little damage, towards the edges.

Weight of Specimen:
 192 g

Chemical Composition:   CaCO3  (calcite)  
                                   
PbCu(AsO4)(OH)  (duftite)

Hardness on Mohs Scale:  (calcite3
                                     
(duftite)  4 

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 004

US $ 220


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