Quartz Crystal Partially to Chalcedony NBB 162

Quartz crystal with unusual facet growth and partially altered to chalcedony





Measurements:  61 x 31 x 23 mm

Description:  A quartz crystal with light smoky colouring, a few bits of red hematite inclusions, unusual facet growth and parts of the crystal surfaces altered to chalcedony. 

The only notable damage is a large contact mark to the lower section and a nick just below the termination.

Weight of Specimen:  61.0 g 

Chemical Composition: 
SiO2

Hardness on Mohs Scale:  7

Location:  Brandberg, Namibia.

Specimen Code:  NBB 162

US $ 55

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