1 Astrology
1.1 Origin
Canada, Southern and central Africa, Italy, Australia, India
Southern and central Africa
1.2 Color
Violet, Brownish, Yellow, Reddish, Pale pink
Grey, Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Mercury, Jupiter
Not Available
1.6 Element of Planets
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
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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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1.2 Durability
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1.4 Specific Gravity
2.69-2.793.62-3.68
1
7.18
1.15 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal
1.16 Cleavage
Poor on {0001}
Not Available
1.17 Mohs Hardness
1.18 Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
2 Optical Properties
2.1 Luster
2.2 Pleochroism
2.3 Dispersion
2.4 Transparency
Translucent
Gemmological Tables (2004)
2.5 Refractive Index
1.607-1.6121.719-1.739
1
3.25
2.6 Optic Character
Not Available
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2.7 Crystal System
2.8 Birefringence
2.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
3 Benefits
3.1 Physical
3.1.1 Neurological
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3.1.2 Cardiovascular
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3.1.3 Respiratory
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3.1.4 Reproductive
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3.1.5 Digestive
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3.2 Psychology
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3.3 Healing
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3.4 Qualities Associated
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