1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Canada
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Yellow, White, Colorless
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
Not Available
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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
2.57-2.663.20-3.22
1
7.18
2.5 Fracture
Subconchoidal, Conchoidal, Brittle
Conchoidal, Brittle
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on pseudo {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
Not Available
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous
3.2 Pleochroism
X = pale yellow
Not Available
3.3 Dispersion
3.4 Transparency
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3.5 Refractive Index
Not Available1.558
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.082
0
0.296
3.9 Clarity
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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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