AT A GLANCE
Diaphaneity:
Refractive Index:
Luster:
Mohs Hardness:
Transparent – Translucent
1.690 – 1.700
Vitreous
6.0 – 7.0
MORE INFORMATION
Color Range:
Blue, Violetish Blue To Violet, Bluish Purple
Major Sources:
Tanzania
Diaphaneity:
Refractive Index:
Luster:
Mohs Hardness:
Transparent – Translucent
1.690 – 1.700
Vitreous
6.0 – 7.0
Blue, Violetish Blue To Violet, Bluish Purple
Tanzania