1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, White, Brown, Green, Greenish, gray
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.55-2.703.63-3.79
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.530-1.5431.517-1.667
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Not Available
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3.8 Birefringence
0.003-0.009Not Available
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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