Light Green Topaz - NBB 088

Light Green Topaz with very interesting facets - Brandberg East, Namibia.

 Measurements:  30 x 25 x 16 mm

Description:  A light green topaz with very interesting facets and feldspar attached to it. There is quite a bit of damage to the back of the crystal.

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

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

Location:  Brandberg East, Namibia.

Specimen Code:  NBB 088

US $ 45
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