Quartz Crystal Specimen with Prehnite - NBB 065

Quartz crystal specimen with prehnite

Measurements:  40 x 21 x 17 mm

Description:  Two quartz crystals fused together, with only faint bits of amethyst colouring, play host to a few prehnite crystals with a few very small quartz crystals on them.

The terminations of the two main quartz crystals appear to be without any damage, while the lower parts of the specimen have a long nick and pressure marks.

Weight of Specimen:  13.7 g

Chemical Composition:  SiO2  

Hardness on Mohs Scale:  7

Brandberg, Namibia.

Specimen Code:  NBB 065

US $ 28




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