Mottramite and Calcite on Matrix - NTS 027

Lovely green, small mottramite crystals on rock matrix

Measurements:  72 x 55 x 27 mm

Description:  
Lovely green, small mottramite crystals with bits of calcite, on a rock matrix.

The matrix has a few (stable) flaws, and there is damage to some of the specimen's edges.

Weight of Specimen:
 161.6 g

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

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 027

US $ 180

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