Origin
Southern and central Africa
Italy, China
Color
Blue
Colorless, White, Blue, gray
Streak
Blue
White
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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Brittle
Solubility
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Durability
-
-
Specific Gravity
3.253.09
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Imperfect in one direction
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
5-5.58
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Trichroic
Weak
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.607-1.6721.672-1.676
1
3.25
👆🏻
Optic Character
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Crystal System
monoclinic
Orthorhombic
Birefringence
0.0650.019-0.021
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Communication
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Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
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