1 Astrology
1.1 Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
1.2 Color
Blue, Green, Brownish, Greenish, Colorless, gray
Red
1.3 Streak
1.4 For which Rashi?
1.5 Planet
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
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1.8 Energy
1.9 Deities
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Black Madonna, Isis
1.10 Not to wear with
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1.11 Powers
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Courage, Wealth
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
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.20-3.262.63-2.65
1
7.18
2.5 Fracture
2.6 Cleavage
{010} perfect
Indiscernible
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2
3 Optical Properties
3.1 Luster
Vitreous, Subadamantine, Silky
Vitreous
3.2 Pleochroism
Colourless to pale brown to yellow
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Opaque
3.5 Refractive Index
1.653-1.6851.54-1.55
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.020-0.022Not Available
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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