1 Astrology
1.1 Origin
Not Available
Brazil, Mozambique
1.2 Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Scarlet, 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
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
[110] perfect, [101] good, [010] distinct
Not Available
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
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Resinous, Pearly
Not Available
3.2 Pleochroism
Weak
Sometimes strongArthur Thomas
3.3 Dispersion
3.4 Transparency
Gems
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.518-1.5612.19-2.34
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
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3.8 Birefringence
3.9 Clarity
Gems
TransparentWalter 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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