Origin
Tanzania, Sri Lanka, China
Southern and central Africa
Color
Colorless
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.60-3.61
-9999
Cleavage
Imperfect/fair/absent
None
Mohs Hardness
8-8.5
-9999
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Cu9(AsO4)2(OH)10
Refractive Index
1.70-1.73
-9999
Crystal System
Hexagonal
-
Birefringence
0.055
-9999
Respiratory
Good
Excellent
Psychology
Transformation
-
Healing
Physical healing
-
Qualities Associated
Spiritual Growth
Vitality