1 Astrology
1.1 Origin
Pakistan
Southern and central Africa
1.2 Color
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Greenish, Blue, Colorless, Green, Yellow
1.3 Streak
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
Irregular
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
2.6 Cleavage
Perfect on {0001}
(0001) indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiCArthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Adamantine
3.2 Pleochroism
Not Available
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.56-1.602.648-2.691
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentMichael OâDonoghue
TransparentUlrich Henn and Claudio C. Milisenda
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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