Origin
Linares, Jaén, Andalusia, Spain
Sri Lanka
Color
Blue
Blue
Streak
Blue
-
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.65-4.55
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
None, but may exhibit slight parting
Mohs Hardness
2.57.5-8
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.8591.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Empowerment
Healing
Emotional healing
-
Qualities Associated
Communication
Transformation