1 Astrology
1.1 Origin
Canada, Russia
Southern and central Africa
1.2 Color
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Brown, Red, Green, Blue, Violet
1.3 Streak
Brown, White, Brown, White
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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
2.5 Fracture
Uneven, Brittle, Metallic
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2.6 Cleavage
Perfect on [001] imperfect on [100]
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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)
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3 Optical Properties
3.1 Luster
Greasy, Pearly
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3.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
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3.3 Dispersion
3.4 Transparency
Translucent
Gemmological Tables (2004)
3.5 Refractive Index
1.678-1.7581.540-1.560
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.050Not Available
0
0.296
3.9 Clarity
Translucent
OpaqueUlrich Henn and Claudio C. Milisenda
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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