Origin
USA
Italy, Canada
Color
Blue, Green
Blue, Red, Yellow, Colorless, Green, White
Streak
Blue, Greenish, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.6-5.762.90-3.10
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
[001] perfect; [100] distinct
Poor/indistinct on {1120} and {1011}
Mohs Hardness
2.5-37
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak
Pale green
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.818-1.9091.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0910.014-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Emotional healing
Healing
-
Emotional healing
Qualities Associated
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Emotional Healing