1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Southern and central Africa
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Colorless, White, Yellow, Colorless, Yellow, pink
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
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1.7.2 Ring Metal
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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
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Irregular/uneven, Brittle, Metallic
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {10bar10}
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
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
Nearly colorless to pale golden yellow
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.011-0.037Not Available
0
0.296
3.9 Clarity
Translucent
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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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