1 Astrology
1.1 Origin
1.2 Color
Brown, Green, Brownish, Yellow, Greenish, White, Brown, 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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Fibrous
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly, Silky
Not Available
3.2 Pleochroism
Not Available
Sometimes strongArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.519-1.5212.19-2.34
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.0090-0.01000.015
0
0.296
3.9 Clarity
Not Available
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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