1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Canada, Columbia, Brazil, Burma, Russia, blue
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Blue, White, pink, gray, Green
1.3 Streak
1.4 For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Sagittarius
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
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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
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.26-3.412.15-2.40
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Poor on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
Na8Al6Si6O24Cl2
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, Translucent, Opaque
3.5 Refractive Index
1.669-1.7231.478-1.488
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.011-0.037Not Available
0
0.296
3.9 Clarity
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
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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