AT A GLANCE
Diaphaneity:
Refractive Index:
Luster:
Mohs Hardness:
Transparent – Translucent
1.720 – 1.940
Vitreous
6.5 – 7.5
MORE INFORMATION
Color Range:
Red, Orange, Yellow, Green, Purple, Brown, Blue, Black, Pink And Colorless
Major Sources:
Madagascar, United States, Russia, Kenya, Tanzania, And Turkey