1 Astrology
1.1 Origin
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
Brazil
1.2 Color
Green
Yellow, White, Brown, Brownish, Black
1.3 Streak
Not Available
Brown, Yellow, White
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
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.58-2.643.06-3.25
1
7.18
2.5 Fracture
Gems, Sixth Edition (2006)
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
2.6 Cleavage
None
Poor/indistinct on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2 (with a high level of nickel impurities )
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Vitreous, Waxy
Vitreous, Resinous
3.2 Pleochroism
AbsentWalter Schumann
visible
3.3 Dispersion
3.4 Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque
Transparent
3.5 Refractive Index
1.530-1.5431.639-1.672
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
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