Astrology
Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
Not Available
Color
Violet, Blue
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Not Available
Not Available
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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How to Wear?
Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Birthstone
Planetary
Not Available
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Talisman
Not Available
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Physical Properties
Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.56-2.66
3.6
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Not Available
Cleavage
Not Available
None
Mohs Hardness
7-7.5
6.5-7.5
Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Ca3Al2Si3O12
Optical Properties
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Strong trichroism: colorless to yellowish
Not Available
Dispersion
0.02
22
Not Available
Transparency
Transparent
Transparent
Refractive Index
1.542-1.578
1.738-1.745
Optic Character
Biaxial/+
Not Available
Crystal System
Not Available
Isometric
Birefringence
0.008-0.012
Not Available
Clarity
Transparent
Transparent
Benefits
Physical
Neurological
Not Available
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
Not Available
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Psychology
Not Available
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Healing
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Qualities Associated
Not Available
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