1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Yellow
Black, Colorless, Green, Violet, White, Yellow
1.3 Streak
Greenish, Black, Brownish
Not Available
1.4 For which Rashi?
Not Available
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1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
2.2 Solubility
insoluble in water
Not Available
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Gems, Sixth Edition (2006)
2.6 Cleavage
Indistinct on {001}; partings on {011} and {111}
Indiscernible
2.7 Mohs Hardness
2.8 Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Quartz: SiO2 Rutile: TiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
Not Available1.544-1.553
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.009
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent
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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