Quartz Crystal with Twin Termination - NBB 140

Quartz crystal with twin termination and lovely gas inclusions



Measurements:  51 x 15 x 10 mm     

Description:  This quartz specimen appears to consist of two crystals that grew together and then fused in the process. The specimen has a faint amethyst colouring and nice gas inclusions, and one small moving bubble (about 1 mm in diametre).

The terminations, with bits of (?)feldspar and quartz wedged in beween them (image bottom left), have a few minute to very small nicks. There is also a contact mark on one of the sides of the specimen, where another mineral had previously been attached.

Weight of Specimen:  16.1 g

Chemical Composition:  SiO2  

Hardness on Mohs Scale:  7  

Location:  Brandberg, Namibia.

Specimen Code:  NBB 140

US $ 35





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