1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
Czech, Mexico, Australia
1.2 Color
Blue, Green, Blue, Brown
Red, Colorless, Violet, Red, pink
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
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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
2.7 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
2.8 Cleavage
none
Perfect on {010}; poor on {100} and { 1 02}.
2.9 Mohs Hardness
2.13 Chemical Composition
Cu2H2Si2O5(OH)4
Co3(AsO4)2•8(H2O)
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Subadamantine, Pearly
3.2 Pleochroism
AbsentWalter Schumann
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
3.3 Dispersion
3.5 Transparency
3.6 Refractive Index
1.460-1.5701.626-1.629
1
3.25
3.7 Optic Character
Not Available
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3.8 Crystal System
3.9 Birefringence
0.023-0.050Not Available
0
0.296
3.10 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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