1 Astrology
1.1 Origin
Brazil, Southern and central Africa
Southern and central Africa
1.2 Color
White, Colorless, Greenish, gray
Red, Brown, Red, Red, Black
1.3 Streak
White
Brownish, Red, Brownish, Red
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
2.98-3.105.85-6.15
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
{100} Perfect, {110} Good, {011} Distinct
Fair in four directions forming octahedrons
2.7 Mohs Hardness
2.8 Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Cu 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
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
TranslucentWalter Schumann
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.020-0.030Not Available
0
0.296
3.9 Clarity
TransparentWalter Schumann
TranslucentWalter Schumann
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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