Origin
Southern and central Africa
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Color
Yellow, Brown, Black
Brown, Blue, Green, Yellow, White
Streak
White
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
4.3923.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{010} moderate, {100} imperfect
Poor on {110} and {100} very poor on {001}
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Vitreous, Resinous
Vitreous, Resinous
Pleochroism
Faint
slight in colored varieties
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
TransparentAnthony et al
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Refractive Index
1.827-1.8791.703-1.752
1
3.25
👆🏻
Optic Character
-
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Crystal System
Orthorhombic
tetragonal
Birefringence
0.042-0.0510.004-0.006
0
0.296
👆🏻
Clarity
TransparentAnthony et al
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Creativity
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Transformation