1 Astrology
1.1 Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Not Available
1.2 Color
Blue, Green, Brownish, Greenish, Colorless, gray
Red
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
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
2.2 Solubility
Not Available
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2.3 Durability
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2.4 Specific Gravity
3.20-3.263.49-3.57
1
7.18
2.5 Fracture
2.6 Cleavage
{010} perfect
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
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3 Optical Properties
3.1 Luster
Vitreous, Subadamantine, Silky
Not Available
3.2 Pleochroism
Colourless to pale brown to yellow
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.653-1.6851.609-1.643
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
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3.8 Birefringence
0.020-0.022Not Available
0
0.296
3.9 Clarity
Transparent
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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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