1 Astrology
1.1 Origin
USA
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Yellow, White, Brown, Red
Green, Blue, Yellow, Red, Brown, Blue
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.177Not Available
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
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2.6 Cleavage
{???} Distinct
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2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
Pale yellow very pale yellow colorlessAnthony et al
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3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.563-1.5931.61-1.66
1
3.25
3.6 Optic Character
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3.7 Crystal System
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3.8 Birefringence
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0
0.296
3.9 Clarity
Transparent
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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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