1 Astrology
1.1 Origin
1.2 Color
Blue
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
1.3 Streak
Not Available
Brown, Brownish, Yellow
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
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
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
HCl soluble
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.60-2.904.27-4.29
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
2.6 Cleavage
Not Available
Perfect {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
FeO(OH)Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong dichroism: blue to colourless\
VisibleArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent
Gemstones (2009)
3.5 Refractive Index
1.560-1.6042.26-2.398
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
3.9 Clarity
Transparent
Gemstones (2009)
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
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4.4 Qualities Associated
Not Available
Not Available