1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Red, Brown, Red, Red, Black
Black, Blue, Yellow, Green
1.3 Streak
Brownish, Red, Brownish, Red
Grey, Greenish, Brown
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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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
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2.3 Durability
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2.4 Specific Gravity
5.85-6.153.28-3.44
1
7.18
2.5 Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Splintery, Brittle
2.6 Cleavage
Fair in four directions forming octahedrons
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
3 Optical Properties
3.1 Luster
Adamantine
Vitreous, Silky
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.005-0.008
0
0.296
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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