Origin
Linares, Jaén, Andalusia, Spain
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Blue
Brown
Streak
Blue
Brownish, 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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.355.2
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
Good in one direction
Mohs Hardness
2.56-6.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Sub-Adamantine, Vitreous
Resinous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
Transparent
TransparentWalter Schumann
Refractive Index
1.809-1.8592.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0500.083
0
0.296
👆🏻
Clarity
Transparent
TransparentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Balance