Origin
Sri Lanka, Burma, USA, Russia
Southern and central Africa
Color
Yellow, Brown, pink, Colorless
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.46-3.502.50
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect
Distinct on {100} and {110}
Mohs Hardness
6-75.5-6
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous, Pearly, Resinous
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.665-1.7121.540-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.036-0.0420.004-0.008
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Spiritual Growth