Origin
USA
Canada
Color
Blue, Green
White, Colorless, Greenish, gray, pink, Reddish
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
5.6-5.762.24-2.29
1
7.18
👆🏻
Fracture
Uneven
Uneven, Subconchoidal, Conchoidal
Cleavage
[001] perfect; [100] distinct
Very poor [100]
Mohs Hardness
2.5-35-5.5
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak
colorless.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.818-1.9091.479-1.493
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.091-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Emotional Healing
Healing
-
Emotional healing
Qualities Associated
-
-