1 Astrology
1.1 Origin
Southern and central Africa
Canada, USA, Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
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1.5 Planet
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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
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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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.95-4.103.25-3.50
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
Not Available
Not Available
2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.757-1.7801.700-1.725
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Not Available
3.8 Birefringence
0.007-0.0100.002-0.012
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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