Origin
Sri Lanka, Burma, USA, Russia
Southern and central Africa
Color
Yellow, Brown, pink, Colorless
Brown, Black, Blue
Streak
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
3.46-3.502.65
1
7.18
👆🏻
Fracture
Conchoidal
ConchoidalWalter Schumann
Cleavage
Perfect
None
Mohs Hardness
6-7-9999
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.
Luster
-
-
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Definite: brown reddish-brownWalter Schumann
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.665-1.7121.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.036-0.0420.009
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Improves digestion and metabolism
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Protection