Origin
Linares, Jaén, Andalusia, Spain
Southern and central Africa
Color
Blue
Green, Black, White, Grey, 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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.00
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
Perfect on {100}, imperfect on {001}
perfect along {110}.
Mohs Hardness
2.55-6
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
moderate
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Refractive Index
1.809-1.8591.613-1.628
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0500.0250-0.0270
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
Supports reproductive health
Digestive
Supports digestive health
-
Psychology
Self-Expression
Strength
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Strength