1 Astrology
1.1 Origin
Mexico
Australia, Southern and central Africa
1.2 Color
Blue, Blue, Black
Violet, pink
1.3 Streak
Grey, Black, gray
White, Violet, Blue
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
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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
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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
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
2.6 Cleavage
Perfect on {0001}
Perfect on {0001}
2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Translucent
3.5 Refractive Index
1.45-2.621.516-1.544
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.026
0
0.296
3.9 Clarity
OpaqueAnthony et al
Translucent
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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