Origin
Brazil
USA
Color
Blue
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Streak
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-
For which Rashi?
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Planet
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-
Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
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Durability
-
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Specific Gravity
2.60-2.903.32-3.47
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
Indistinct
None
Mohs Hardness
7.5-8-9999
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Luster
-
Vitreous
Pleochroism
Strong dichroism: blue to colourless\
Weak; present colour lighter and darker
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
TranslucentWalter Schumann
Refractive Index
1.560-1.6041.700-1.725
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.003-0.0100.001-0.012
0
0.296
👆🏻
Clarity
Transparent
TranslucentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Promotes peace and tranquility
Respiratory
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Excellent
Reproductive
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Digestive
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Psychology
Communication
Optimism
Healing
Emotional healing
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Qualities Associated
Communication
Creativity