1 Astrology
1.1 Origin
1.2 Color
Red, pink, rose, Brown
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1.3 Streak
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 Energy
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1.8 How to Wear?
1.8.1 Finger
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1.8.2 Ring Metal
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.76-3.773.29-3.33
1
7.18
2.5 Fracture
UnevenArthur Thomas, Gemstones (2009)
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
{110} Perfect, {110} Perfect
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2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
(Ca,Ce) 4 Na(Na,Ca) 2 Ti(Si 2 O 7 ) 2 F 2 (O,F) 2 Michael O’Donoghue, Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
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3.5 Refractive Index
1.735-1.7561.653-1.662
1
3.25
3.6 Optic Character
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3.7 Crystal System
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3.8 Birefringence
0.017-0.019Not Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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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