1 Astrology
1.1 Origin
1.2 Color
Violet, White, gray, Blue, Brown, Black
Colorless, Yellow, Blue, Reddish, Black, Reddish, Brown, Blue, gray, Black, Reddish, Brown, Blue, gray
1.3 Streak
1.4 For which Rashi?
Cancer, Sagittarius, Cancer, Sagittarius, Cancer, 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
Goddess Whope
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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
2.3 Durability
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2.4 Specific Gravity
2.55-2.703.82-3.97
1
7.18
2.5 Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Absent
Perfect on [001] and [011]
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Weak
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Transparent
3.5 Refractive Index
1.530-1.5432.488-2.562
1
3.25
3.6 Optic Character
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3.7 Crystal System
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
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