1 Astrology
1.1 Origin
Russia, Madagascar, Brazil
Madagascar
1.2 Color
Green, Green, White, Blue
Brownish, Black, Reddish, Brown, Blue
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
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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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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, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
{0001} good, {10 1 0} parting
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi3O8
(Ca,Ce)(Al,Ti,Mg)12O19
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
O = brownish gray; E = gray
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Handbook of mineralogy (2001)
3.5 Refractive Index
1.522-1.5301.79-1.807
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.008-0.010Not Available
0
0.296
3.9 Clarity
Translucent
Handbook of mineralogy (2001)
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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