Origin
Southern and central Africa
Brazil
Color
-
Blue
Streak
-
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.50-2.802.60-2.90
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Perfect
Indistinct
Mohs Hardness
5-6.57.5-8
2
10
👆🏻
Chemical Composition
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Luster
-
-
Pleochroism
-
Strong dichroism: blue to colourless\
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.531-1.6001.560-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.004-0.0370.003-0.010
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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-
Respiratory
-
-
Reproductive
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-
Digestive
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-
Psychology
Creativity
Communication
Healing
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Emotional healing
Qualities Associated
Creativity
Communication