Smoky /  Amethyst Window Quartz Crystal - NBB 166

Smoky / amethyst window quartz crystal

Measurements:  67 x 40 x 40 mm

Description:   A smoky / amethyst window quartz crystal with interesting growth patterns. There are several pressure and contact marks with a greyish layer, where it's also pitted, presumably where another mineral had previously been attached, and then eroded away. 

The main termination has a nick, and there are a few nicks and contact marks, mainly to the lower part of the specimen.

Weight of Specimen:  84.8 g

Chemical Composition:  SiO2                              

Hardness on Mohs Scale:  7                            

Location:  Brandberg, Namibia.

Specimen Code:  NBB 166     

US $ 95

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