Astrology
Origin
Sri Lanka
Madagascar, Sri Lanka
Color
Yellow
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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Energy
Not Available
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How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
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Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
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Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.69-3.81
3.80
Fracture
Not Available
Not Available
Cleavage
Not Available
Not Available
Mohs Hardness
8.5
8
Chemical Composition
BeAl 2O 4Arthur Thomas , Gemstones (2009)
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Optical Properties
Luster
Not Available
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent
Gemmological Tables (2004)
Refractive Index
1.739-1.770
1.780
Optic Character
Biaxial/+
Not Available
Crystal System
Not Available
Not Available
Birefringence
0.007-0.013
Not Available
Clarity
Transparent
Gemmological Tables (2004)
Benefits
Physical
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
Not Available
