Origin
Russia
Southern and central Africa
Color
Colorless, Brownish
Brown, Black, Blue
Streak
White
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For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
Brittle
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Solubility
Nearly insoluble in HCl and HNO3
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Durability
-
-
Specific Gravity
2.972.65
1
7.18
👆🏻
Fracture
Conchoidal
ConchoidalWalter Schumann
Cleavage
Distinct on {010}
None
Mohs Hardness
6-9999
2
10
👆🏻
Chemical Composition
-
SiO 2Ulrich Henn and Claudio C.
Luster
Greasy, Vitreous, Pearly
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Pleochroism
(x): colorless. (y): colorless. (z): colorless.
Definite: brown reddish-brownWalter Schumann
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.6071.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
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Birefringence
-99990.009
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Improves digestion and metabolism
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
-
Protection
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Protection