1 Astrology
1.1 Origin
Russia, Madagascar, Brazil
Southern and central Africa, violet, blue, violet, blue
1.2 Color
Green, Green, White, Blue
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
1.3 Streak
1.4 For which Rashi?
Virgo
Leo, Sagittarius, Leo, Sagittarius, Leo, 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
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.55-2.573.26-3.41
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Distinct on {100}, poor on {110}; parting on {001}
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Translucent, Translucent to opaque
3.5 Refractive Index
1.522-1.5301.669-1.723
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.008-0.0100.011-0.037
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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