AT A GLANCE
Diaphaneity:
Refractive Index:
Luster:
Mohs Hardness:
Transparent – Translucent
1.483 – 1.487
Greasy, Waxy
5.5 – 6.0
MORE INFORMATION
Color Range:
Rich Royal Blue, Green, Yellow, Violet, White Veining Common
Major Sources:
West Greenland, Ontario, Quebec, Canada,United States, Brazil, South America, Russia, Portugal, Burma, Italy, Namibia And Romania