1 Astrology
1.1 Origin
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
Australia
1.2 Color
Green
Reddish, Brown, Red, pink, pink
1.3 Streak
1.4 For which Rashi?
Cancer, Taurus, Cancer, Taurus, Cancer, Taurus
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
Protection, Healing
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
Not Available
Partly soluble in HCl.
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.58-2.643.32-3.43
1
7.18
2.5 Fracture
Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
None
{100} perfect; {110} and {1 1 0} good; {010} poor
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2 (with a high level of nickel impurities )
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Vitreous, Waxy
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Weak
3.3 Dispersion
3.4 Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque
Transparent, Translucent
3.5 Refractive Index
1.530-1.5431.662-1.707
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
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
Not Available
4.4 Qualities Associated
Not Available
Not Available