1 Astrology
1.1 Origin
Brazil, Kenya, Madagascar, Mozambique, Sri Lanka
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Taurus
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
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal
Gems, Sixth Edition (2006)
2.6 Cleavage
none, may show indistinct parting
None
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)3Al2Si3O12
SiO2 (with a high level of nickel impurities )
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous, Vitreous, Waxy
3.2 Pleochroism
None
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Translucent, Translucent, Opaque, Translucent to nearly opaque
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available