1 Astrology
1.1 Origin
Southern and central Africa
Italy
1.2 Color
1.3 Streak
Not Available
Blue, Green
1.4 For which Rashi?
Not Available
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1.5 Planet
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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
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Effervesces in cold
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Splintery
2.6 Cleavage
Not Available
Perfect on {100} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2Be 3Si 6O 18Martin H.
Not Available
3 Optical Properties
3.1 Luster
Not Available
Silky, Vitreous
3.2 Pleochroism
Strongly dichroicMartin H. Read
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
3.3 Dispersion
3.4 Transparency
Not Available
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3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.004-0.0100.139-0.143
0
0.296
3.9 Clarity
Not Available
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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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