Origin
Southern and central Africa
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Color
Grey, Green
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
-
-
Specific Gravity
3.62-3.683.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Distinct
Poor on {110} and {100} very poor on {001}
Mohs Hardness
8-8.56-7
2
10
👆🏻
Chemical Composition
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Vitreous
Vitreous, Resinous
Pleochroism
-
slight in colored varieties
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.719-1.7391.703-1.752
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
tetragonal
Birefringence
0.014-0.0160.004-0.006
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Transformation
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Psychic Abilities
Transformation