1 Astrology
1.1 Origin
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Not Available
1.2 Color
Yellow, White, Green, Brown, Greenish, gray
Black, Blue, Yellow, Green
1.3 Streak
Grey, gray
Grey, Greenish, Brown
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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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
Not Available
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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
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.20-3.253.28-3.44
1
7.18
2.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Splintery, Brittle
2.6 Cleavage
Good/distinct on [210]
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Silky
3.2 Pleochroism
Pale green to pale orange
X = blue
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Not Available
3.5 Refractive Index
1.650-1.6801.680-1.698
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.009-0.0110.005-0.008
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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