1 Astrology
1.1 Origin
USA
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
1.2 Color
Brown, Red, Black, Brownish
Blue, Violet, Blue, Yellow, Grey
1.3 Streak
Reddish, Brown, Reddish, Brown
Not Available
1.4 For which Rashi?
Not Available
Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, 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
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Not Available
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
Not Available1.52-1.56
1
3.25
1.4 Optic Character
Not Available
Not Available
1.5 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Orthorhombic
1.6 Birefringence
Not AvailableNot Available
0
0.296
1.7 Clarity
Translucent
Transparent to translucent
2 Benefits
2.1 Physical
2.1.1 Neurological
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2.1.2 Cardiovascular
Not Available
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2.1.3 Respiratory
Not Available
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2.1.4 Reproductive
Not Available
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2.1.5 Digestive
Not Available
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2.3 Psychology
Not Available
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2.5 Healing
Not Available
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2.6 Qualities Associated
Not Available
Not Available