Astrology
Origin
India, China
Southern and central Africa
Color
Blue, Yellow, Brown, gray, Reddish, Greenish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
polyatomic nonmetal
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
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Energy
Not Available
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Deities
Not Available
Not Available
Not to wear with
Not Available
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Powers
Not Available
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Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
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Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
2.58-2.64
Fracture
(e.g. graphite).
Not Available
Cleavage
{???} Imperfect, {???} Imperfect
Not Available
Mohs Hardness
Not Available
6.5-7
Chemical Composition
Not Available
SiO 2Walter Schumann , Gemstones of the world (2001)
Optical Properties
Luster
Not Available
Not Available
Pleochroism
Not Available
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Not Available
TranslucentWalter Schumann, Gemstones of the world (2001)
Refractive Index
Not Available
1.530-1.540
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Not Available
Birefringence
Not Available
0.004
Clarity
Not Available
TranslucentWalter Schumann
Benefits
Physical
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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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
Not Available
Qualities Associated
Not Available
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