1 Astrology
1.1 Origin
1.2 Color
Blue, Blue, Black
Black, Green, Brown, Red, Greenish, Yellow, Brown, Green, Yellow, orange
1.3 Streak
Grey, Black, gray
Yellow, Green, Greenish, Yellow
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
2.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
Perfect on {0001}
distinct; good on {0001}
2.7 Mohs Hardness
Not Available3.5-4.5
2
10
2.8 Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
PbFe+++3(AsO4)(SO4)(OH)6
3 Optical Properties
3.1 Luster
Resinous
Vitreous, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.014
0
0.296
3.9 Clarity
OpaqueAnthony et al
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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