1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Not Available
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
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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
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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
Not Available
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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
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.95-4.102.50-2.80
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
2.6 Cleavage
Not Available
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2.7 Mohs Hardness
2.8 Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Not Available
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3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.757-1.7801.531-1.600
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
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3.8 Birefringence
0.007-0.0100.004-0.037
0
0.296
3.9 Clarity
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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