1 Astrology
1.1 Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Color: violet, purple-violet, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Brazil, Uruguay, Bolivia, Argentina, Australia, Brazil, Uruguay, Bolivia, Argentina, Australia
Southern and central Africa
1.2 Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
Violet, Blue, Red, Yellow, Brown, gray
1.3 Streak
1.4 For which Rashi?
Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius
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1.5 Planet
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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
Love, Courage
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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
insoluble in common solvents
insoluble
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Difficult, Fibrous
2.6 Cleavage
Indiscernible
None – parting in 3 directions
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Al 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous
Adamantine, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Transparent to translucent
Transparent, Translucent
3.5 Refractive Index
1.544-1.5531.758-1.780
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Transparent
Gemmological Tables (2004) More from other references
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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