1 Astrology
1.1 Origin
USA
Southern and central Africa
1.2 Color
Brown, Red, Black, Brownish
Black, White, Greenish, Brown
1.3 Streak
Reddish, Brown, Reddish, Brown
Greenish, White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
5.05-5.223.45-3.55
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven
2.6 Cleavage
None
{100} Perfect, {010} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Pearly
3.2 Pleochroism
Not Available
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
Not Available1.673-1.731
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Orthorhombic
3.8 Birefringence
Not Available0.016
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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