1 Astrology
1.1 Origin
Canada
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
Green, Blue, Yellow, Red, Brown, Blue
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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.72-2.83Not Available
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
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2.6 Cleavage
Good on {100} and {110}
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2.7 Mohs Hardness
2.8 Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
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3 Optical Properties
3.1 Luster
Vitreous, Pearly
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3.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
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3.5 Refractive Index
1.610-1.6471.61-1.66
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.021Not Available
0
0.296
3.9 Clarity
Transparent
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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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