Origin
Tanzania, Sri Lanka, China
Southern and central Africa
Color
Colorless
Yellow, Blue, Colorless, White
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.60-3.613.28-3.31
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Imperfect/fair/absent
None observed
Mohs Hardness
8-8.56.5-7.5
2
10
👆🏻
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Weak
Colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.70-1.731.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Hexagonal
Birefringence
0.0550.0130
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Clarity
Healing
Physical healing
Emotional healing
Qualities Associated
Spiritual Growth
Clarity