1 Astrology
1.1 Origin
1.2 Color
Grey, Black, Green, White, Brown
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
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
2.5 Fracture
Uneven
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
2.6 Cleavage
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{100} Good, {010} Good, {001} Good
2.7 Mohs Hardness
2.8 Chemical Composition
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CoAsSAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
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1
3.25
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
3.8 Birefringence
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0
0.296
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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