1 Astrology
1.1 Origin
Not Available
USA, Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brown, Green, White, gray, Blue, Yellow
1.3 Streak
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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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
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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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
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2.3 Durability
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2.4 Specific Gravity
Not Available4.00-4.65
1
7.18
2.5 Fracture
Not Available
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
2.6 Cleavage
Not Available
Perfect on [1011]
2.7 Mohs Hardness
2.8 Chemical Composition
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ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
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Vitreous, Pearly
3.2 Pleochroism
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AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
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Translucent
3.5 Refractive Index
Not Available1.620-1.850
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.223-0.227
0
0.296
3.9 Clarity
Not Available
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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