1 Astrology
1.1 Origin
1.3 Color
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Colorless, Brownish
1.5 Streak
1.1 For which Rashi?
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1.4 Planet
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1.7 Element of Planets
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1.1 Energy
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1.4 How to Wear?
1.5.1 Finger
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1.7.1 Ring Metal
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1.11 Deities
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1.14 Not to wear with
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1.18 Powers
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1.22 Birthstone
1.22.1 Planetary
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1.25.1 Talisman
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2 Physical Properties
3.1 Tenacity
3.6 Solubility
Gelatinises in acids
Nearly insoluble in HCl and HNO3
3.10 Durability
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4.2 Specific Gravity
5.7 Fracture
Uneven, Conchoidal, Brittle
Conchoidal, Brittle
5.9 Cleavage
Distinct on {110}
Distinct on {010}
5.10 Mohs Hardness
5.19 Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
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6 Optical Properties
6.1 Luster
Vitreous, Greasy
Greasy, Vitreous, Pearly
6.3 Pleochroism
None
(x): colorless. (y): colorless. (z): colorless.
7.3 Dispersion
9.5 Transparency
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9.6 Refractive Index
9.13 Optic Character
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9.14 Crystal System
9.16 Birefringence
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0
0.296
9.25 Clarity
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10 Benefits
10.1 Physical
10.1.1 Neurological
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10.1.2 Cardiovascular
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10.1.3 Respiratory
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10.1.4 Reproductive
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10.1.5 Digestive
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10.2 Psychology
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10.3 Healing
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10.4 Qualities Associated
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