1 Astrology
1.1 Origin
Afghanistan, Italy
Austria
1.2 Color
Blue, Blue, Colorless, Blue, Colorless
Green, Brown
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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Courage, Protection
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
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Not Available
2.6 Cleavage
Perfect {10 1 0}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Transparent, Gemstones (2009)
Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
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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