1 Astrology
1.1 Origin
Russia, green, violet, Yellow, blue, green, violet, Yellow, blue
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1.2 Color
Black, Violet, Blue, Green
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1.3 Streak
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1.4 For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
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1.5 Planet
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
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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
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
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2.6 Cleavage
1,2 prismatic.
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2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Common trichroism: light green
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3.3 Dispersion
3.4 Transparency
Gems, Sixth Edition (2006)
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3.5 Refractive Index
1.668-1.703Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.024-0.030Not Available
0
0.296
3.9 Clarity
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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