Origin
Afghanistan, Southern and central Africa
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Color
Blue, Greenish, Violet
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Streak
Blue, White
Blue, White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
Soluble
Gelatinises in acids
Durability
-
-
Specific Gravity
2.752.4-2.5
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
Imperfect on {110}
Distinct on {110}
Mohs Hardness
5.55-6
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Luster
Vitreous
Vitreous, Greasy
Pleochroism
-
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5001.50
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
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Digestive
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Psychology
Communication
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Communication