1 Astrology
1.1 Origin
Not Available
Southern and central Africa
1.2 Color
Black, Blue, Yellow, Green
Red, Brown, Red, Red, Black
1.3 Streak
Grey, Greenish, Brown
Brownish, Red, Brownish, Red
1.4 For which Rashi?
Not Available
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1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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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
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.28-3.445.85-6.15
1
7.18
2.5 Fracture
Uneven, Splintery, Brittle
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Fair in four directions forming octahedrons
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Silky
Adamantine
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
TranslucentWalter Schumann
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.005-0.008Not Available
0
0.296
3.9 Clarity
Not Available
TranslucentWalter Schumann
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
Not Available
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