Origin
Southern and central Africa
Southern and central Africa
Color
White
Yellow, Blue, Black, Green, gray
Streak
-
White
For which Rashi?
Gemini
-
Planet
-
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Neptune, Tiamat
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.903.43-3.44
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
3,1 basal
None Observed
Mohs Hardness
7.5-86.5-7
2
10
👆🏻
Chemical Composition
Be3Al2SiO6
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
visible
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.562-1.6151.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Triclinic
Birefringence
0.003-0.0100.005
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
Soothes the digestive system
-
Psychology
Purity
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Purity
Transformation