1 Astrology
1.1 Origin
1.2 Color
Yellow, Red, Green, Colorless, orange
Blue
1.3 Streak
Yellow, yellowish orange
Not Available
1.4 For which Rashi?
Not Available
Sagittarius, Scorpio
1.5 Planet
1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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
Not Available
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2.4 Specific Gravity
5.50-5.903.65-4.55
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
None, but may exhibit slight parting
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
Vitreous
3.2 Pleochroism
Very weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Gemmological Tables (2004)
3.5 Refractive Index
2.013-2.0291.735-1.790
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.016Not Available
0
0.296
3.9 Clarity
TransparentRobert C. Kammerling
TransparentUlrich Henn and Claudio C. Milisenda
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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