Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Black, Blue
Colorless, Yellow, White
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
-
Partially soluble in water
Durability
-
-
Specific Gravity
2.651.77
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
-
Cleavage
None
Perfect on {10 1 0}
Mohs Hardness
-99992-2.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.544-1.5531.470-1.491
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.0090.021
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Adaptability
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Balance