Origin
Linares, Jaén, Andalusia, Spain
Canada
Color
Blue
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
Streak
Blue
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
5.352.72-2.83
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
Good on {100} and {110}
Mohs Hardness
2.56-7
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Sub-Adamantine, Vitreous
Vitreous, Pearly
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.809-1.8591.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0500.021
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Inner Peace