Astrology
Origin
Southern and central Africa
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Color
White, Colorless, Blue, Red, Green, Yellow, Violet
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Streak
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For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
1.98-2.50
7.12-7.18
Fracture
Conchoidal
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Cleavage
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Mohs Hardness
5.5-6.5
4-4.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
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Optical Properties
Luster
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Pleochroism
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Dispersion
None
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Transparency
Translucent
Transparent
Refractive Index
1.37-1.52
2.17-2.32
Optic Character
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Crystal System
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Birefringence
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Clarity
Translucent
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Benefits
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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