1 Astrology
1.1 Origin
Russia, Madagascar, Brazil
USA
1.2 Color
Green, Green, White, Blue
Brown, Red, Black, Brownish
1.3 Streak
White
Reddish, Brown, Reddish, Brown
1.4 For which Rashi?
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
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2.4 Specific Gravity
2.55-2.575.05-5.22
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
None
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi3O8
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
Not Available
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Translucent
3.5 Refractive Index
1.522-1.530Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Triclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
3.8 Birefringence
0.008-0.010Not Available
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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