Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
Linares, Jaén, Andalusia, Spain
Color
Violet, 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
2.56-2.665.35
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct
Perfect on {100}, imperfect on {001}
Mohs Hardness
7-7.52.5
2
10
👆🏻
Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
Strong trichroism: colorless to yellowish
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.542-1.5781.809-1.859
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
-
monoclinic
Birefringence
0.008-0.0120.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Inner vision
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Communication