1 Astrology
1.1 Origin
1.2 Color
Green
Yellow, Brownish, Reddish, Green, Brownish, Yellow, Green, Yellow, Red
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 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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Uneven
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
visible
visible: O = Pale yellow E = Canary yellow to yellow orange
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
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3.5 Refractive Index
1.578-1.6391.575-1.585
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.037-0.039Not Available
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
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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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