Topaz (var. Imperial)
-
Al2SiO4(F,OH)2
Description
Double terminated transparent crystal, of beautiful sherry color.
Ouro Preto, Minas Gerais
For the type locality, Topasos (Zabargad), the Red Sea, Egypt, and the adjective imperial for its beautiful orange color.
Class
Dimensions (length x with x height in cm)
2x5.5x2
Hardness (Mohs)
8
Density (G/cm3)
3.6
