Origin
Southern and central Africa
Kenya, Southern and central Africa
Color
Brown, Black, Blue
Colorless, Greenish, 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
2.653.40-3.58
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal, Uneven
Cleavage
None
{010} Perfect
Mohs Hardness
-99997.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.544-1.5531.701-1.724
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.0090.005-0.007
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Spiritual Awakening
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Inner Peace