1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
USA
1.2 Color
Blue, Green, Blue, Brown
Colorless, White, Green, White, Green, Brown, Colorless, Green, White, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Easily soluble in cold dilute HCl
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Brittle, Uneven, Brittle, Uneven
2.6 Cleavage
none
Good in two directions parallel to the prism faces {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Cu2H2Si2O5(OH)4
CaZn(AsO4)(OH)
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Subadamantine, Silky, Fibrous
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Gemmological Tables (2004) More from other references
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
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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