Origin
USA
Southern and central Africa
Color
Blue, Green
Colorless, Brown, Greenish, gray
Streak
Blue, Greenish, White
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
Brittle
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Solubility
-
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Durability
-
-
Specific Gravity
5.6-5.762.62-2.67
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
[001] perfect; [100] distinct
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
2.5-36-6.5
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Weak
-
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.818-1.9091.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
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Birefringence
0.0910.010
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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
Harmony
Healing
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Emotional healing
Qualities Associated
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Harmony