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
Not Available, blue
1.2 Color
Green
Blue, Blue, Green, Blue, Blue
1.3 Streak
1.4 For which Rashi?
Scorpio
Sagittarius, Capricorn, Sagittarius, Capricorn, Sagittarius, Capricorn
1.5 Planet
1.6 Element of Planets
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
Projective, Receptive
Receptive
1.9 Deities
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
3.69-3.813.70-3.90
1
7.18
2.5 Fracture
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Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
1,1 ; 3,2.
Perfect on {011}, fair on {100}, poor on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2 O 4
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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Visible shades of blue
3.3 Dispersion
3.4 Transparency
Transparent, Transparent to nearly opaque
Transparent, Translucent
3.5 Refractive Index
1.739-1.7701.720-1.850
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
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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