Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Black, Blue
Green
Streak
-
-
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
2.653.20-3.30
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
-
Cleavage
None
Perfect
Mohs Hardness
-99995-6
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.5531.674-1.764
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.0090.014-0.016
0
0.296
👆🏻
Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Emotional Healing