1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Colombia, Color: Red, Orangey Red, Orange, Yellow, color shift to Green, Hardness: 6 6.5, Refractive index: 1.55 1.56, Density: 2.66 2.70, Chemical composition: (Na, Ca)(Si, Al)4O8, Crystal structure: triclinic, Origins: Congo, Tibet.
1.2 Color
Violet, Black
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
1.3 Streak
gray, White, gray, White
White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Handbook of mineralogy (2001)
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
None
Perfect on {001}, good on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
(Na,Ca)Al1-2Si3-2O8
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong: pale lavender dark blueAnthony et al
colorless.
3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
Not Available1.543-1.564
1
3.25
3.6 Optic Character
3.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Triclinic
3.8 Birefringence
Not Available0.007-0.011
0
0.296
3.9 Clarity
TranslucentAnthony et al
Transparent
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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