Origin
Southern and central Africa
Southern and central Africa
Color
Blue
Brown, Black, Blue
Streak
Blue
-
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
3.252.65
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
Imperfect in one direction
None
Mohs Hardness
5-5.5-9999
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Ulrich Henn and Claudio C.
Luster
Vitreous
-
Pleochroism
Trichroic
Definite: brown reddish-brownWalter Schumann
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.607-1.6721.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.0650.009
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Improves digestion and metabolism
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Protection