1 Astrology
1.1 Origin
1.2 Color
Yellow, Red, Green, Colorless, orange
Colorless, White, Brownish, Yellow, Brown
1.3 Streak
Yellow, yellowish orange
White
1.4 For which Rashi?
Not Available
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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
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2.3 Durability
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2.4 Specific Gravity
5.50-5.90Not Available
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
None
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
Adamantine
3.2 Pleochroism
Very weak
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Gemmological Tables (2004) More from other references
3.5 Refractive Index
2.013-2.0291.994-2.040
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentRobert C. Kammerling
Gemmological Tables (2004) More from other references
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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