1 Astrology
1.1 Origin
Not Available
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
1.2 Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Green
1.3 Streak
1.4 For which Rashi?
Not Available
Cancer, Taurus, Cancer, Taurus, Cancer, Taurus
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
Not Available
Protection, Healing
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
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Gems, Sixth Edition (2006)
2.6 Cleavage
[110] perfect, [101] good, [010] distinct
None
2.7 Mohs Hardness
2.8 Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2 (with a high level of nickel impurities )
3 Optical Properties
3.1 Luster
Vitreous, Resinous, Pearly
Vitreous, Vitreous, Waxy
3.2 Pleochroism
Weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gems
Translucent, Translucent, Opaque, Translucent to nearly opaque
3.5 Refractive Index
1.518-1.5611.530-1.543
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
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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