1 Astrology
1.1 Origin
Ethiopia, Mexico, Honduras, Guatemala, Brazil, USA, Canada, Madagascar, Tanzania, Czech, Slovakia
Canada
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Libra, Sagittarius, Taurus
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
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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
2.5 Fracture
Not Available
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
SiO 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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Very weak: light green pale greenWalter Schumann
3.3 Dispersion
3.4 Transparency
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Transparent, Translucent
3.5 Refractive Index
1.42-1.471.544-1.553
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.009
0
0.296
3.9 Clarity
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Transparent
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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