Origin
Linares, Jaén, Andalusia, Spain
Mexico
Color
Blue
Blue, Black
Streak
Blue
Grey, Black, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
5.354.6-4.76
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {100}, imperfect on {001}
Perfect on {0001}
Mohs Hardness
2.5-9999
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Resinous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
Marked
Dispersion
0.050.08
0.005
1
👆🏻
Transparency
Transparent
OpaqueAnthony et al
Refractive Index
1.809-1.8591.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
OpaqueAnthony et al
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Manifestation