Origin
Linares, Jaén, Andalusia, Spain
Southern and central Africa
Color
Blue
White, Reddish, Colorless, gray, Red
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
5.352.77
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
Perfect [001] good [010] poor [110]
Mohs Hardness
2.56-6.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
colorless.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.809-1.8591.575-1.588
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.0500.012-0.013
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Improves cognitive function
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Balance