1 Astrology
1.1 Origin
Australia
Southern and central Africa, USA, Australia, Brazil, USA, Australia, Brazil, USA
1.2 Color
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
Green
1.3 Streak
Brown, Brownish, Yellow
Not Available
1.4 For which Rashi?
Not Available
Cancer, Taurus, Cancer, Taurus, Cancer, Taurus
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
Protection, Healing
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
HCl soluble
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
4.27-4.292.58-2.64
1
7.18
2.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Gems, Sixth Edition (2006)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
SiO2 (with a high level of nickel impurities )
3 Optical Properties
3.1 Luster
Adamantine
Vitreous, Vitreous, Waxy
3.2 Pleochroism
VisibleArthur Thomas
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemstones (2009)
Translucent, Translucent, Opaque, Translucent to nearly opaque
3.5 Refractive Index
2.26-2.3981.530-1.543
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Gemstones (2009)
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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