1 Astrology
1.1 Origin
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Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black
1.3 Streak
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
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Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca3Fe3+2Si3O12
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Adamantine
Greasy, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Opaque, Transparent to opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.888-1.8891.770-1.820
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent to opaque
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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