Origin
USA
Brazil
Color
Blue, Green
Blue
Streak
Blue, Greenish, White
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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
Brittle
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Solubility
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Durability
-
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Specific Gravity
5.6-5.762.60-2.90
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
[001] perfect; [100] distinct
Indistinct
Mohs Hardness
2.5-37.5-8
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Luster
Vitreous
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Pleochroism
Weak
Strong dichroism: blue to colourless\
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.818-1.9091.560-1.604
1
3.25
👆🏻
Optic Character
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Crystal System
Orthorhombic
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Birefringence
0.0910.003-0.010
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Creativity
Communication
Healing
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Emotional healing
Qualities Associated
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Communication