1 Astrology
1.1 Origin
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
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
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
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
Not Available
perfect on {010}; good on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Pearly
3.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent
3.5 Refractive Index
1.544-1.5531.510-1.550
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
3.9 Clarity
TransparentWalter Schumann
Translucent
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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