Origin
Southern and central Africa
Afghanistan, Southern and central Africa
Color
Brown, Black, Blue
Blue, Greenish, Violet
Streak
-
Blue, 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
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.652.75
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
None
Imperfect on {110}
Mohs Hardness
-99995.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Luster
-
Vitreous
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.5531.500
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Improves digestion and metabolism
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Clarity