Origin
Southern and central Africa
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Color
Brown, Black, Blue
Green
Streak
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-
For which Rashi?
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-
Planet
-
-
Element of Planets
-
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Energy
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How to Wear?
Finger
-
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Ring Metal
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Deities
-
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Not to wear with
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Powers
-
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Birthstone
Planetary
-
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Talisman
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Tenacity
-
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Solubility
-
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Durability
-
-
Specific Gravity
2.653.18-3.37
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
None
Perfect on 210
Mohs Hardness
-99995.5-6
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Na(Fe,Mg)7(AlSi7O22)(OH)2
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
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Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.544-1.5531.635-1.663
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.0090.0170-0.230
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
Improves digestion and metabolism
Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
Excellent
Reproductive
-
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Digestive
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Psychology
Protection
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Inner Power