1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
Southern and central Africa
1.2 Color
Grey, Brownish, Blue, Colorless, White, gray, Reddish
Green, Blue, Yellow, White
1.3 Streak
1.4 For which Rashi?
Not Available
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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
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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)
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2.6 Cleavage
{001} Perfect, {010} Good
{001} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
WeakMichael OâDonoghue
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3.3 Dispersion
3.4 Transparency
Transparent
TranslucentAnthony et al, Handbook of mineralogy (2001)
3.5 Refractive Index
1.518-1.5361.538-1.560
1
3.25
3.6 Optic Character
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3.7 Crystal System
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3.8 Birefringence
0.005-0.008Not Available
0
0.296
3.9 Clarity
Transparent
TranslucentAnthony et al
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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