1 Astrology
1.1 Origin
1.2 Color
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Green, Yellow, Colorless, Grey, Brown, White, Red
1.3 Streak
Brown, White, Brown, White
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, Brittle, Metallic
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
2.6 Cleavage
Perfect on [001] imperfect on [100]
Imperfect- [10 1 1]
2.7 Mohs Hardness
2.8 Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Greasy, Pearly
Resinous, Subadamantine
3.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Weak
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.678-1.7582.042-2.059
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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