Origin
Linares, Jaén, Andalusia, Spain
Australia, Italy
Color
Blue
Yellow, Red, Reddish, Brown, Colorless, White, 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
-
Soluble
Durability
-
-
Specific Gravity
5.352.6-2.9
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {100}, imperfect on {001}
On {0001}, perfect
Mohs Hardness
2.53.5-4
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
KAl3(SO4)2(OH)6
Luster
Sub-Adamantine, Vitreous
Vitreous, Pearly
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.8591.572
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.0500.020
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Stability