Origin
Southern and central Africa
Canada
Color
Black, Brownish, Brown
Colorless, Yellow, Green, White, Blue
Streak
Brown
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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
-
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Durability
-
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Specific Gravity
4.5-4.82.70-2.75
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
From the Greek for luster, for its pearly luster on the cleavage.
Mohs Hardness
5.54.5-5
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
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Pearly
Pleochroism
none.
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Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
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Refractive Index
2.08-2.161.570-1.591
1
3.25
👆🏻
Optic Character
-
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Crystal System
Isometric
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Birefringence
-99990.020-0.021
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
Poor
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Reproductive
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Digestive
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Psychology
Vitality
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Creativity