1 Astrology
1.1 Origin
Southern and central Africa
Madagascar, Southern and central Africa
1.2 Color
Red, Brown, Red, Red, Black
White, Yellow, Blue, Green, Green, gray, Yellow
1.3 Streak
Brownish, Red, Brownish, Red
White
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
5.85-6.152.55-2.63
1
7.18
2.5 Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, Gems
2.6 Cleavage
Fair in four directions forming octahedrons
{001} Perfect, {010} Good
2.7 Mohs Hardness
2.8 Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
visible
WeakMichael OâDonoghue
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann
Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
cubic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
3.8 Birefringence
Not Available0.008-0.010
0
0.296
3.9 Clarity
TranslucentWalter Schumann
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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