1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brown, Yellow, White, Brown, Greenish, Yellow, White
1.3 Streak
Not Available
White, gray
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
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Even, Yellow, White
2.6 Cleavage
Not Available
Perfect on the {001}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Ulrich Henn and Claudio C.
K(Mg,Fe++)3[AlSi3O10(OH,F)2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Strong
3.3 Dispersion
3.4 Transparency
Translucent
Not Available
3.5 Refractive Index
1.535-1.5391.565-1.625
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.008-0.0100.03-0.07
0
0.296
3.9 Clarity
Translucent
Not Available
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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