1 Astrology
1.1 Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
USA
1.2 Color
Violet, Blue
Blue, Green, Blue, Green, Green
1.3 Streak
Not Available
Blue, Greenish, White
1.4 For which Rashi?
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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
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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
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
Not Available
[001] perfect; [100] distinct
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong trichroism: colorless to yellowish
Weak
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.542-1.5781.818-1.909
1
3.25
3.6 Optic Character
3.7 Crystal System
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Orthorhombic
3.8 Birefringence
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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