1 Astrology
1.1 Origin
Sri Lanka
Southern and central Africa
1.2 Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Red, Yellow, orange
1.3 Streak
White, Brownish, Brownish, White
orange
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
2.2 Solubility
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
(e.g. graphite).
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
{010} Good
2.7 Mohs Hardness
2.8 Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Adamantine, Greasy
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3.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Nearly colorless to pale golden yellowAnthony et al
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Gems
3.5 Refractive Index
1.990-2.1052.538-2.704
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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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