Origin
Linares, Jaén, Andalusia, Spain
USA
Color
Blue
-
Streak
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.32-3.47
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {100}, imperfect on {001}
None
Mohs Hardness
2.5-9999
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
Weak; present colour lighter and darker
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
TranslucentWalter Schumann
Refractive Index
1.809-1.8591.700-1.725
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.0500.001-0.012
0
0.296
👆🏻
Clarity
Transparent
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
Promotes peace and tranquility
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
Supports digestive health
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Psychology
Self-Expression
Optimism
Healing
Emotional healing
-
Qualities Associated
Communication
Creativity