1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
USA
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Not Available
1.3 Streak
1.4 For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.26-3.413.32-3.47
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Weak; present colour lighter
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
TranslucentWalter Schumann, Gemstones of the world (2001)
3.5 Refractive Index
1.669-1.7231.700-1.725
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Not Available
3.8 Birefringence
0.011-0.0370.001-0.012
0
0.296
3.9 Clarity
Translucent
TranslucentWalter Schumann
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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