Origin
-
Linares, Jaén, Andalusia, Spain
Color
Black, Blue, Yellow, Green
Blue
Streak
Grey, Greenish, Brown
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.445.35
1
7.18
👆🏻
Fracture
Uneven, Splintery
Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect on {100}, imperfect on {001}
Mohs Hardness
5.0-6.02.5
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Silky
Sub-Adamantine, Vitreous
Pleochroism
X = blue
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.680-1.6981.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.005-0.0080.050
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Empowerment
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Communication