Topaz Crystal with Unusual Termination – NER 006

Measurements:  37 x 16 x 10 mm

Description:  A well formed topaz crystal with a very faint blue colour.

The crystal has an interesting (quartz-like) termination, with only very small nicks. There is a pressure mark to the lower part of the specimen.

Weight of Specimen:  12.8 g

Chemical Composition:  Al₂SiO₄(F,OH)₂

Hardness on Mohs Scale:  8

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NER 006

US $ 35