Origin
-
Austria, Zimbabwe, Australia
Color
Blue, Green
Red, Brown, Violet
Streak
Blue
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
-
-
Durability
-
-
Specific Gravity
3.80-4.155.06-5.08
1
7.18
👆🏻
Fracture
Uneven
Uneven, Subconchoidal, Conchoidal
Cleavage
perfect along [010] and [100]
Poor on [111].
Mohs Hardness
3.5-43-3.25
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu5FeS4
Luster
Silky
-
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Weak
Dispersion
0.02-
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.815-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Creativity