Origin
Italy, China
Linares, Jaén, Andalusia, Spain
Color
Colorless, White, Blue, gray
Blue
Streak
White
Blue
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
3.095.35
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Perfect on {100}, imperfect on {001}
Mohs Hardness
82.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Sub-Adamantine, Vitreous
Pleochroism
Weak
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.672-1.6761.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.019-0.0210.050
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
-
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Communication