1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Not Available
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Green, Colorless, gray, White, Green, Colorless, gray, White
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
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.26-3.413.05-3.37
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, Brittle, Conchoidal
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Good on (110)
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
NaCa2Mg5Si7AlO22(OH)2
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
Distinct
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Not Available
3.5 Refractive Index
1.669-1.7231.606-1.649
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
Translucent
Not Available
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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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
Not Available
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4.4 Qualities Associated
Not Available
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