1 Astrology
1.1 Origin
Australia
Southern and central Africa
1.2 Color
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
Yellow, Green
1.3 Streak
Brown, Brownish, Yellow
White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
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
Not Available
Not Available
1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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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
4.27-4.292.56-2.75
1
7.18
2.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
2.6 Cleavage
Perfect {010}
two or three
2.7 Mohs Hardness
2.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
VisibleArthur Thomas
None
3.3 Dispersion
3.4 Transparency
Gemstones (2009)
Transparent, Translucent
3.5 Refractive Index
2.26-2.3981.518-1.570
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Triclinic or monoclinic
3.8 Birefringence
3.9 Clarity
Gemstones (2009)
Transparent
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
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available