Origin
Sri Lanka, Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
Blue
Blue
Streak
-
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
3.95-4.105.35
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
Perfect on {100}, imperfect on {001}
Mohs Hardness
92.5
2
10
👆🏻
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.757-1.7801.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.007-0.0100.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Intuition
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Communication