1 Astrology
1.1 Origin
China, Kenya, Russia, Sri Lanka, Zambia
Russia, green, violet, Yellow, blue, green, violet, Yellow, blue
1.2 Color
Red, pink, Black, orange
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
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
Not Available
Not Available
2.2 Solubility
insoluble in water
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.62-3.873.22-3.40
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous
3.2 Pleochroism
None
Common trichroism: light green
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Gems, Sixth Edition (2006)
3.5 Refractive Index
1.720-1.7561.668-1.703
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.024-0.030
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available