1 Astrology
1.1 Origin
Brazil
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
1.2 Color
1.3 Streak
Greenish, Black, Brownish
Not Available
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
Not Available
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1.8 Energy
Not Available
Projective, Receptive
1.9 Deities
Not Available
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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
insoluble in water
Not Available
2.3 Durability
Not Available
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2.4 Specific Gravity
5.00-5.203.69-3.81
1
7.18
2.5 Fracture
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Not Available
2.6 Cleavage
Indistinct on {001}; partings on {011} and {111}
1,1 ; 3,2.
2.7 Mohs Hardness
2.8 Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Transparent, Transparent to nearly opaque
3.5 Refractive Index
Not Available1.739-1.770
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
Not Available0.007-0.010
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
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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