1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Blue
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
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1.6 Element of Planets
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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
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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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
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
Not Available
Distinct on {100} and {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Pearly, Resinous
3.2 Pleochroism
Strong dichroism: blue to colourless\
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
1.560-1.6041.540-1.550
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.003-0.0100.004-0.008
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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