1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Canada, Southern and central Africa, Australia
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Colorless, White, Colorless, gray, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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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
Not Available
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2.4 Specific Gravity
2.57-2.662.72-2.75
1
7.18
2.5 Fracture
Subconchoidal, Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on [001], good on [010], imperfect on [110]
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous, Pearly
3.2 Pleochroism
X = pale yellow
colorless.
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
Not Available1.561-1.583
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.010-0.011
0
0.296
3.9 Clarity
Not Available
Transparent
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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