1 Astrology
1.1 Origin
Canada, Southern and central Africa, Italy, Australia, India
Italy
1.2 Color
Violet, Brownish, Yellow, Reddish, Pale pink
Blue, Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Mercury, Jupiter
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1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
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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
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1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
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Effervesces in cold
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Splintery
2.6 Cleavage
Poor on {0001}
Perfect on {100} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak
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
Translucent
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3.5 Refractive Index
1.607-1.6121.672-1.688
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Translucent
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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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