1 Astrology
1.1 Origin
Not Available
Brazil, Southern and central Africa
1.2 Color
Green, Pale pink, White, Green, rose, Pale pink, White, gray, Green, Greenish, White, gray, Yellow, White, Green, Greenish, White, gray, Yellow, White
Blue, Green, Black
1.3 Streak
Green, White, Green, White
White
1.4 For which Rashi?
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Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
1.5 Planet
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
1.9 Deities
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
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
Perfect on {010}, indistinct on {100} and {102}
{001} Indistinct, {???} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Ni3(AsO4)2•8(H2O)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
3 Optical Properties
3.1 Luster
Subadamantine, Pearly
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3.2 Pleochroism
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Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
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Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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Transparent
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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