Origin
Southern and central Africa
Southern and central Africa
Color
Yellow, Blue, Colorless, White
Yellow, Blue, Black, Green, gray
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
3.28-3.313.43-3.44
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None observed
None Observed
Mohs Hardness
6.5-7.56.5-7
2
10
👆🏻
Chemical Composition
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Colorless
visible
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.638-1.6501.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Triclinic
Birefringence
0.01300.005
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Transformation