Light Amethyst Quartz Crystal on Small Matrix - NBB 037

Light amethyst quartz crystal on small matrix

Measurements:  71 x 25 x 22 mm

Description:  An interesting light amethyst coloured quartz crystal with minute specks of an unknown dark coloured mineral on the surface, which gives it a 'coated' effect. 

The crystal has a 
small moving bubble and interesting gas inclusions. A small crystal is attached near its base. The small matrix consists of (?)limestone and a darker mineral, probably related to the surface specks on the crystal. 

The termination has a few very small nicks, while the lower part of the crystal has contact damage.

Weight of Specimen:  68.2 g

Chemical Composition:   SiO2  

Hardness on Mohs Scale:  7

Location:  Brandberg, Namibia.

Specimen Code:  NBB 037