1 Astrology
1.1 Origin
Southern and central Africa
Mexico
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, yellowish orange
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.58-2.643.98-4.04
1
7.18
2.5 Fracture
Not Available
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Not Available
Imperfect, poor one {100}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Colorless
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Gems
3.5 Refractive Index
1.530-1.5401.702-1.740
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TranslucentWalter Schumann
Gems
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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