Origin
Sri Lanka
Southern and central Africa
Color
Blue
Brown, Black, Blue
Streak
-
-
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
3.91-4.732.65
1
7.18
👆🏻
Fracture
Conchoidal
ConchoidalWalter Schumann
Cleavage
None
None
Mohs Hardness
6.5-7.5-9999
2
10
👆🏻
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Ulrich Henn and Claudio C.
Luster
-
-
Pleochroism
-
Definite: brown reddish-brownWalter Schumann
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.790-2.0151.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.005-0.0550.009
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Improves digestion and metabolism
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Hope
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Hope
Protection