1 Astrology
1.1 Origin
Russia, green, violet, Yellow, blue, green, violet, Yellow, blue
Southern and central Africa
1.2 Color
Black, Violet, Blue, Green
Black, Brownish, Brown, Black, Brownish
1.3 Streak
1.4 For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven
2.6 Cleavage
1,2 prismatic.
None, parting may develop along {111}
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Fe++Cr2O4
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Common trichroism: light green
none.
3.3 Dispersion
3.4 Transparency
Gems, Sixth Edition (2006)
Not Available
3.5 Refractive Index
1.668-1.7032.08-2.16
1
3.25
3.6 Optic Character
Not Available
Not Available
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
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available