1 Astrology
1.1 Origin
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
Southern and central Africa, violet, blue, violet, blue
1.2 Color
Red, Brown, rose
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
1.3 Streak
1.4 For which Rashi?
Scorpio, Leo, Scorpio, Leo, Scorpio, Leo
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
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
Uneven, Conchoidal, Conchoidal to uneven, Brittle
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.6 Cleavage
On {10 1 1} perfect; parting on {10 1 2}
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
Weak
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
Transparent, Opaque, Transparent to nearly opaque
Translucent, Translucent to opaque
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.208-0.2200.011-0.037
0
0.296
3.9 Clarity
Transparent to nearly opaque
Translucent
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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