1 Astrology
1.1 Origin
Australia
Southern and central Africa, Brazil, China, Zimbabwe, Switzerland, Zimbabwe, Switzerland
1.2 Color
Blue, Green, Greenish, Black
Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Mars, Venus
1.6 Element of Planets
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
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
4.00-4.622.85-3.20
1
7.18
2.5 Fracture
Conchoidal, Uneven
Not Available
2.6 Cleavage
Indistinct parting on [111]
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Gemstones of the world (2001)
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001)
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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