Origin
USA, Southern and central Africa, China, India, Italy
Linares, Jaén, Andalusia, Spain
Color
White, Yellow
Blue
Streak
-
Blue
For which Rashi?
Gemini
-
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.44-2.625.35
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Indiscernible
Perfect on {100}, imperfect on {001}
Mohs Hardness
2.5-5.52.5
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy, Silky
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
1.560-1.5711.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.008-0.0140.050
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Transformation
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Communication