1 Astrology
1.1 Origin
Sri Lanka
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
1.2 Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Colorless, Brownish, White
1.3 Streak
White, Brownish, Brownish, White
White
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
6.86-7.032.20-2.23
1
7.18
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect on {110} and {1 1 0}
2.7 Mohs Hardness
2.8 Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Adamantine, Greasy
Vitreous, Silky, Fibrous
3.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
X: colourless Y: colourless Z: colourless
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent
3.5 Refractive Index
1.990-2.1051.512-1.523
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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