Origin
Linares, Jaén, Andalusia, Spain
-
Color
Blue
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Streak
Blue
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
-
Gelatinises in acids
Durability
-
-
Specific Gravity
5.352.4-2.5
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
Distinct on {110}
Mohs Hardness
2.55-6
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Luster
Sub-Adamantine, Vitreous
Vitreous, Greasy
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
None
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.8591.50
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Communication