Origin
Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
Blue, Green, Brown
Blue
Streak
White, Blue, Green
Blue
For which Rashi?
Taurus
-
Planet
Venus
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
-
Not to wear with
-
-
Powers
Love
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.00-2.455.35
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Conchoidal
Conchoidal
Cleavage
none
Perfect on {100}, imperfect on {001}
Mohs Hardness
2-42.5
2
10
👆🏻
Chemical Composition
Cu2H2Si2O5(OH)4
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Opaque
Transparent
Refractive Index
1.460-1.5701.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.023-0.0500.050
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Promotes calmness and emotional balance
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Communication