1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
1.3 Streak
Not Available
Blue, White
1.4 For which Rashi?
Not Available
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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
Not Available
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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
Not Available
Gelatinises in acids
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Uneven, Conchoidal, Brittle
2.6 Cleavage
Not Available
Distinct on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Greasy
3.2 Pleochroism
AbsentWalter Schumann
None
3.3 Dispersion
3.4 Transparency
Translucent
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
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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