1 Astrology
1.1 Origin
Brazil, Kenya, Madagascar, Southern and central Africa
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
1.2 Color
1.3 Streak
1.4 For which Rashi?
Capricorn, Sagittarius
Cancer, Taurus, Cancer, Taurus, Cancer, Taurus
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
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1.11 Powers
Protection
Protection, Healing
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Gems, Sixth Edition (2006)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
SiO2 (with a high level of nickel impurities )
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Vitreous, Waxy
3.2 Pleochroism
None
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent, Translucent, Opaque, Translucent to nearly opaque
3.5 Refractive Index
1.544-1.5531.530-1.543
1
3.25
3.6 Optic Character
Not Available
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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
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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