1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Canada, USA, Tanzania, Norway
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Red, Yellow, Brown, Yellow, Red, pink, Green
1.3 Streak
1.4 For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Leo
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
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
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
3.26-3.412.62-2.65
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Gemstones of the world (2001)
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
001
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
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 or absentWalter Schumann
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.669-1.7231.53-1.55
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.011-0.0370.007-0.010
0
0.296
3.9 Clarity
Translucent
Transparent to translucent
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
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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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