Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Blue, Greenish, Violet
Brown, Black, Blue
Streak
Blue, White
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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
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Solubility
Soluble
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Durability
-
-
Specific Gravity
2.752.65
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
ConchoidalWalter Schumann
Cleavage
Imperfect on {110}
None
Mohs Hardness
5.5-9999
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
SiO 2Ulrich Henn and Claudio C.
Luster
Vitreous
-
Pleochroism
-
Definite: brown reddish-brownWalter Schumann
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.5001.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Improves digestion and metabolism
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Protection