1 Astrology
1.1 Origin
Mexico, Thailand, Italy, Austria
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
1.2 Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
1.3 Streak
1.4 For which Rashi?
Not Available
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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
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.30-3.502.57-2.66
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Subconchoidal, Conchoidal, Brittle
2.6 Cleavage
Perfect on {110}, poor on {101}, {001} rare
Fair on {100}, poor on {001} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
3 Optical Properties
3.1 Luster
Vitreous, Adamantine, Silky
Greasy, Vitreous
3.2 Pleochroism
AbsentWalter Schumann
X = pale yellow
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Not Available
3.5 Refractive Index
1.614-1.636Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
0.022Not Available
0
0.296
3.9 Clarity
Transparent
Not Available
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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