Origin
Afghanistan, Southern and central Africa
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Color
Grey, White, Colorless, gray, Pale pink, Blue
Yellow, Brownish, Reddish, Green, Red
Streak
White
White, Yellow
For which Rashi?
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Planet
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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
Brittle
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Solubility
Readily soluble in HF
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Durability
-
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Specific Gravity
2.86-2.942.2-2.6
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
None observed
None
Mohs Hardness
6.5-73-4
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Luster
Vitreous, Greasy
Silky
Pleochroism
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visible: O = Pale yellow E = Canary yellow to yellow orange
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.517-1.5251.575-1.585
1
3.25
👆🏻
Optic Character
-
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Crystal System
Isometric
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Excellent
Reproductive
-
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Digestive
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Psychology
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Spirituality
Healing
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Emotional healing
Qualities Associated
Harmony
Spiritual Evolution