Origin
Russia
Southern and central Africa
Color
Colorless, Brownish
Yellow, Blue, Black, Green, gray
Streak
White
White
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
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
Brittle
-
Solubility
Nearly insoluble in HCl and HNO3
-
Durability
-
-
Specific Gravity
2.973.43-3.44
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Distinct on {010}
None Observed
Mohs Hardness
66.5-7
2
10
👆🏻
Chemical Composition
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Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous, Pearly
Vitreous
Pleochroism
(x): colorless. (y): colorless. (z): colorless.
visible
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.6071.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
-99990.005
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
-
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Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Transformation