Origin
USA
Brazil, Southern and central Africa, Sri Lanka
Color
Blue, Green
Red, gray
Streak
Blue, Greenish, White
Red, Black
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
-
Insoluble in acids
Durability
-
-
Specific Gravity
5.6-5.764.20-4.30
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
[001] perfect; [100] distinct
{110} good, 100 moderate, parting on {092} and {011}
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)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Adamantine
Pleochroism
Weak
Weak to distinct brownish red-green-yellow
Dispersion
0.050.33
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.818-1.9092.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0910.296
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Clarity
Healing
-
Physical healing
Qualities Associated
-
Awareness