Origin
Australia
Linares, Jaén, Andalusia, Spain
Color
Blue, Green, Greenish, Black
Blue
Streak
Grey, gray
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
4.00-4.625.35
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
Indistinct parting on [111]
Perfect on {100}, imperfect on {001}
Mohs Hardness
7.5-82.5
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.030.05
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.790-1.8181.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
-99990.050
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Aids in digestion and soothes the stomach
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Protection
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Communication