1 Astrology
1.1 Origin
Not Available
Russia, green, violet, Yellow, blue, green, violet, Yellow, blue
1.2 Color
Blue, gray, Black, Blue
Black, Violet, Blue, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
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
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1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Good on [110] and on [001]
1,2 prismatic.
2.7 Mohs Hardness
2.8 Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Strong
Common trichroism: light green
3.3 Dispersion
3.4 Transparency
Not Available
Gems, Sixth Edition (2006)
3.5 Refractive Index
1.606-1.6371.668-1.703
1
3.25
3.6 Optic Character
Not Available
Not Available
1.2 Crystal System
1.5 Birefringence
Not Available0.024-0.030
0
0.296
1.15 Clarity
2 Benefits
2.1 Physical
2.1.1 Neurological
Not Available
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2.1.2 Cardiovascular
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2.1.3 Respiratory
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2.1.4 Reproductive
Not Available
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2.1.5 Digestive
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2.2 Psychology
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2.3 Healing
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2.4 Qualities Associated
Not Available
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