Origin
Southern and central Africa
Sri Lanka, Burma, USA, Russia
Color
Brown
Yellow, Brown, pink, Colorless
Streak
-
White
For which Rashi?
Aries, Capricorn
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Black Madonna, Isis, Horus
-
Not to wear with
-
-
Powers
Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.46-3.50
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
Perfect
Mohs Hardness
5-5.56-7
2
10
👆🏻
Chemical Composition
-
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
-
Pleochroism
-
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
-99991.665-1.712
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.036-0.042
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Assists in emotional healing and protection
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grief Relief
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Grief Relief
Emotional Healing