1 Astrology
1.1 Origin
Southern and central Africa
Australia, Spain, Brazil, Germany
1.2 Color
Blue, Violet, Brown, White, Greenish, pink
Green, Blue, Colorless
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 Energy
Not Available
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
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1.8.2 Ring Metal
Not Available
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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
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
3.26-3.412.42-2.58
1
7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal, Splintery, ConchoidalWalter Schumann
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
[010] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
AlAl6O3BSi3O18
AlPO4 · 2(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
Not Available
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Translucent, Opaque . May be translucent when backlit on the edges.
3.5 Refractive Index
1.669-1.7231.560-1.594
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
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
Not Available
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