Origin
Linares, Jaén, Andalusia, Spain
Canada
Color
Blue
Yellow, Brown, Red, White, Green, Reddish, Black
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.89-4.18
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {100}, imperfect on {001}
{0001}, {11 2 0} imperfect
Mohs Hardness
2.55.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Vitreous, Resinous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.17
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.809-1.8591.687-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.0500.028-0.030
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Optimism
Healing
Emotional healing
-
Qualities Associated
Communication
Transformation