Quartz Crystal on Calcite and Quartz Matrix - NBB 178

Quartz crystal on clacite and quartz matrix

Measurements:  56 x 32 x 29 mm  

Description:  A quartz crystal (38 x 11 x 08 mm) with only a slight hint of amethyst / smoky colouring in its upper part, sits on a matrix of calcite and quartz, along with a few lesser quartz crystals. There is a lovely inclusion of concentrated gas in the big quartz crystal, giving it a shiny effect. 

The main crystal has only a very minute nick to its termination tip (hardly visible with the naked eye) and there is some damage to the edges of the matrix.

Weight of Specimen:  15.8 g

Chemical Composition:  SiO2

Hardness on Mohs Scale: 7                      

Location:  Brandberg, Namibia.    

Specimen Code:  NBB 178    

US $ 40

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