1 Astrology
1.1 Origin
Canada, Southern and central Africa, Australia
Sri Lanka
1.2 Color
Colorless, White, Colorless, gray, White
Yellow
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
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2.4 Specific Gravity
2.72-2.753.69-3.81
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
2.6 Cleavage
Perfect on [001], good on [010], imperfect on [110]
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
BeAl 2O 4Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Not Available
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.561-1.5831.739-1.770
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.010-0.0110.007-0.013
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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