Origin
Brazil
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Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Blue, gray, Black
Streak
White
Blue
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
2.65-2.903-3.15
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
{001} Perfect
Good on [110] and on [001]
Mohs Hardness
-99996.0-6.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Pearly
Vitreous, Pearly
Pleochroism
-
Strong
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Translucent
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Refractive Index
1.534-1.6011.606-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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monoclinic
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Translucent
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Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
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Communication
Healing
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Emotional healing
Qualities Associated
Emotional Healing
Peace