1 Astrology
1.1 Origin
1.2 Color
Red
Green, Pale pink, White, Green, rose, Pale pink, White, gray, Green, Greenish, White, gray, Yellow, White, Green, Greenish, White, gray, Yellow, White
1.3 Streak
White, Colorless
Green, White, Green, 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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
Perfect {010} imperfect {100}
Perfect on {010}, indistinct on {100} and {102}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
Ni3(AsO4)2•8(H2O)
3 Optical Properties
3.1 Luster
Vitreous
Subadamantine, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
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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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