AT A GLANCE
Diaphaneity:
Refractive Index:
Luster:
Mohs Hardness:
Opaque
1.655 – 1.909
Vitreous
3.5 – 4.0
MORE INFORMATION
Color Range:
Vivid, Bluish Green To Green, Usually Banded In Two Shades Of Green
Major Sources:
Zaire, South Africa, Romania, Russia, Congo, Chile, Australia And United States