Origin
Linares, Jaén, Andalusia, Spain
Switzerland
Color
Blue
Colorless, Yellow, Blue, Reddish, Black, Brown, gray
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
5.353.82-3.97
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
Perfect on [001] and [011]
Mohs Hardness
2.55.5-6
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Adamantine
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
Weak
Dispersion
0.050.21
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.809-1.8592.488-2.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0500.073
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
-