1 Astrology
1.1 Origin
Colombia, Color: Red, Orangey Red, Orange, Yellow, color shift to Green, Hardness: 6 6.5, Refractive index: 1.55 1.56, Density: 2.66 2.70, Chemical composition: (Na, Ca)(Si, Al)4O8, Crystal structure: triclinic, Origins: Congo, Tibet.
Sri Lanka
1.2 Color
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
1.3 Streak
White
White, Brownish, Brownish, White
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
2.3 Durability
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2.4 Specific Gravity
2.65-2.696.86-7.03
1
7.18
2.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
2.6 Cleavage
Perfect on {001}, good on {010}
{100} imperfect, {110} indistinct; partings on {111} or {011}
2.7 Mohs Hardness
2.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous
Adamantine, Greasy
3.2 Pleochroism
colorless.
Pleochroic haloes have been observed. Dichroic in yellow
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
3.5 Refractive Index
1.543-1.5641.990-2.105
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.007-0.0110.096-0.098
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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