1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
India
1.2 Color
Blue, Green, Blue, Brown
Blue, Greenish, Greenish, Blue
1.3 Streak
White, Blue, Green
Blue, White
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
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
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
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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
2.00-2.452.25-2.33
1
7.18
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Cu2H2Si2O5(OH)4
Ca(VO)Si4O10•4(H2O)
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous, Pearly
3.2 Pleochroism
AbsentWalter Schumann
Visible: X=Z= colorless Y= blue
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
3.6 Optic Character
Not Available
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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
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4.3 Healing
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4.4 Qualities Associated
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