1 Astrology
1.1 Origin
Southern and central Africa
Mexico
1.2 Color
Red, Yellow, orange
Blue, Blue, Black
1.3 Streak
1.4 For which Rashi?
Not Available
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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
(e.g. graphite).
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
2.6 Cleavage
{010} Good
Perfect on {0001}
2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Nearly colorless to pale golden yellowAnthony et al
Marked
3.3 Dispersion
3.4 Transparency
Gems
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
3.5 Refractive Index
2.538-2.7041.45-2.62
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.166Not Available
0
0.296
3.9 Clarity
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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