This is a beautiful thumbnail size Topaz from Klein Spitzkoppe, Erongo Region, Namibia.
Dimensions:
3.5 cm (1.3”) x 4.2 cm (1.6”)
Weight: 85 grams
Topaz is a silicate mineral of aluminium and fluorine
the Chemical Formula for Topaz is:
Al₂SiO₄(F, OH)₂
