1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Italy, China
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Colorless, White, Blue, gray
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
Not Available
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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
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Conchoidal, Brittle
White, Yellow, Pale blue, Brittle, Uneven
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on {100} and {010}, imperfect on {101}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
Not Available
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous, Greasy
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
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3.5 Refractive Index
Not Available1.672-1.676
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
Not Available0.019-0.021
0
0.296
3.9 Clarity
Not Available
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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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