1 Astrology
1.1 Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
India
1.2 Color
Blue, Green, Brownish, Greenish, Colorless, gray
Blue, Greenish, Greenish, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.20-3.262.25-2.33
1
7.18
2.5 Fracture
Splintery
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
{010} perfect
Good on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(VO)Si4O10•4(H2O)
3 Optical Properties
3.1 Luster
Vitreous, Subadamantine, Silky
Vitreous, Pearly
3.2 Pleochroism
Colourless to pale brown to yellow
Visible: X=Z= colorless Y= blue
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
3.9 Clarity
Transparent
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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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