1 Astrology
1.1 Origin
Southern and central Africa
Austria
1.2 Color
Colorless, Brown, Greenish, gray
Green, Brown
1.3 Streak
1.4 For which Rashi?
1.5 Planet
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
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
Not Available
Courage, Protection
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
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2.4 Specific Gravity
2.5 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Not Available
2.6 Cleavage
From the Greek, oligos and kasein, little cleavage.
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
1.5 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.6 Refractive Index
1.8 Optic Character
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1.11 Crystal System
Not Available
Orthorhombic
1.12 Birefringence
1.13 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
2 Benefits
2.1 Physical
2.1.1 Neurological
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2.1.2 Cardiovascular
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2.1.3 Respiratory
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2.1.4 Reproductive
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2.2.1 Digestive
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2.3 Psychology
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2.4 Healing
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2.5 Qualities Associated
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