1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Southern and central Africa, Sri Lanka, blue, India, brown, green, Orange, Sri Lanka, blue, India, brown, green, Orange
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
White, Green, Brownish
1.3 Streak
1.4 For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
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
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.26-3.412.56-2.60
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
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
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Transparent, Transparent to translucent
3.5 Refractive Index
1.669-1.7231.518-1.527
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.011-0.0370.006-0.007
0
0.296
3.9 Clarity
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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