1 Astrology
1.1 Origin
Mexico, Thailand, Italy, Austria
China
1.2 Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Green, Yellow, Colorless, Grey, Brown, White, Red
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
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
2.6 Cleavage
Perfect on {110}, poor on {101}, {001} rare
Imperfect- [10 1 1]
2.7 Mohs Hardness
2.8 Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Adamantine, Silky
Resinous, Subadamantine
3.2 Pleochroism
AbsentWalter Schumann
Weak
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.614-1.6362.042-2.059
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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