Quartz and Calcite on Basalt Matrix NBB 146

Quartz crystals (fused together) and calcite on basalt matrix

Measurements:  67 x 63 x 48 mm

Description:  A group of three quartz crystals, fused together, together with bits of calcite, sit on a basalt rock matrix. 

The group of quartz crystals, mostly clear, have only a few minute to very small nicks. The matrix has a stable flaw.

Weight of Specimen:  89.2 g 

Chemical Composition:  SiO

Hardness on Mohs Scale:  7

Location:  Brandberg, Namibia.

Specimen Code:  NBB 146

US $ 85

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