1 Astrology
1.1 Origin
Southern and central Africa
USA
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, White, Green, White, Green, Brown, Colorless, Green, White, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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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
Easily soluble in cold dilute HCl
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Not Available
Brittle, Uneven, Brittle, Uneven
2.6 Cleavage
Not Available
Good in two directions parallel to the prism faces {110}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
CaZn(AsO4)(OH)
3 Optical Properties
3.1 Luster
Not Available
Subadamantine, Silky, Fibrous
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Not Available
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
3.9 Clarity
TranslucentWalter Schumann
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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