1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Canada, Russia
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
1.3 Streak
White
Brown, White, Brown, 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
Subconchoidal, Conchoidal, Brittle
Uneven, Brittle, Metallic
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on [001] imperfect on [100]
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Greasy, Pearly
3.2 Pleochroism
X = pale yellow
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
3.3 Dispersion
3.4 Transparency
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Translucent
3.5 Refractive Index
Not Available1.678-1.758
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.050
0
0.296
3.9 Clarity
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Translucent
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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