1 Astrology
1.1 Origin
1.2 Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Yellow, Red, Green, Colorless, orange
1.3 Streak
White, Brownish, Brownish, White
Yellow, yellowish 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
6.86-7.035.50-5.90
1
7.18
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
On {10 1 0}, perfect; parting on {000 1 }
2.7 Mohs Hardness
2.8 Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Adamantine, Greasy
Subadamantine, Resinous
3.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Very weak
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
3.5 Refractive Index
1.990-2.1052.013-2.029
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Transparent
TransparentRobert C. Kammerling
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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