Origin
Southern and central Africa
Madagascar, Southern and central Africa
Color
Brown, Black, Blue
Grey, Brownish, Blue, Colorless, White, gray, Reddish
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
2.652.54-2.61
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
None
{001} Perfect, {010} Good
Mohs Hardness
-99996
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.544-1.5531.518-1.536
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.0090.005-0.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Creativity
Healing
Emotional healing
-
Qualities Associated
Protection
Creativity