1 Astrology
1.1 Origin
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
Canada
1.2 Color
Green
Colorless, White, Blue, Colorless, gray, Green, Yellow, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
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1.8 Energy
Projective, Receptive
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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
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2.3 Durability
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2.4 Specific Gravity
3.69-3.812.42-2.52
1
7.18
2.5 Fracture
Not Available
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
2.6 Cleavage
1,1 ; 3,2.
Perfect on {10 1 0}, poor on {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2 O 4
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Greasy, Pearly
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Transparent, Transparent to nearly opaque
Transparent
3.5 Refractive Index
1.739-1.7701.491-1.524
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.007-0.0100.012-0.025
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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