Topaz Crystal - NER 061

Topaz crystal with lovely faces



Measurements:  25 x 25 x 23 mm

Description:  A topaz crystal with lovely faces. 

The upper parts have only small nicks, while the lower parts have contact marks and bits of feldspar. The specimen has a few flaws.

Weight of Specimen:  20.6 g 

Chemical Composition:  Al2SiO4(F,OH)2   (topaz)
                                      KAlSi3O8  (feldspar)  

Hardness on Mohs Scale:  (topaz) 8  
                                          (feldspar)  6 - 6.5    

Location:  Spitzkoppe area, Erongo Region, Namibia.

Specimen Code:  NER 061

US $ 65
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