1 Astrology
1.1 Origin
1.2 Color
Grey, Brown, Green, Colorless, White
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1.3 Streak
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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
2.90-3.203.32-3.47
1
7.18
2.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
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2.6 Cleavage
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2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
Weak; present colour lighter
3.3 Dispersion
3.4 Transparency
Transparent
TranslucentWalter Schumann, Gemstones of the world (2001)
3.5 Refractive Index
1.599-1.6371.700-1.725
1
3.25
3.6 Optic Character
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3.7 Crystal System
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3.8 Birefringence
0.023-0.0280.001-0.012
0
0.296
3.9 Clarity
Transparent
TranslucentWalter Schumann
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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