Origin
Southern and central Africa
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Color
Blue, Grey
Brown, Blue, Green, Yellow, White
Streak
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White
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
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Solubility
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Durability
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Specific Gravity
2.58-2.643.32-3.43
1
7.18
👆🏻
Fracture
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Conchoidal
Cleavage
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Poor on {110} and {100} very poor on {001}
Mohs Hardness
76-7
2
10
👆🏻
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
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Vitreous, Resinous
Pleochroism
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slight in colored varieties
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
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Refractive Index
1.534-1.5401.703-1.752
1
3.25
👆🏻
Optic Character
-
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Crystal System
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tetragonal
Birefringence
-99990.004-0.006
0
0.296
👆🏻
Clarity
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Aids in digestion and soothes the stomach
Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Protection
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Transformation