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, Russia, Kenya, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Norway, Brazil
1.2 Color
Green
Green, Greenish, Black, Green, Greenish, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black
1.3 Streak
Not Available
Yellow, Yellowish-grey, gray
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
Projective, Receptive
Not Available
1.9 Deities
1.10 Not to wear with
Not Available
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1.11 Powers
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
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2.4 Specific Gravity
3.69-3.813.50-3.60
1
7.18
2.5 Fracture
Not Available
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
1,1 ; 3,2.
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2 O 4
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Resinous
3.2 Pleochroism
Not Available
X = emerald green
3.3 Dispersion
3.4 Transparency
Transparent, Transparent to nearly opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.739-1.7701.720-1.778
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.007-0.0100.037-0.061
0
0.296
3.9 Clarity
Transparent
Gemmological Tables (2004) More from other references
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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