Origin
USA
Southern and central Africa
Color
Blue, Green
Yellow, Blue, Black, Green, 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
-
-
Birthstone
Planetary
-
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Talisman
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-
Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
5.6-5.763.43-3.44
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
[001] perfect; [100] distinct
None Observed
Mohs Hardness
2.5-36.5-7
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak
visible
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.818-1.9091.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.0910.005
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
Good
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Reproductive
-
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Digestive
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Psychology
Creativity
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Healing
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Emotional healing
Qualities Associated
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Transformation