Origin
Italy, China
Southern and central Africa, Vietnam
Color
Colorless, White, Blue, gray
Green, Black, Brown
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.093.04-3.26
1
7.18
👆🏻
Fracture
Uneven
Splintery, Uneven
Cleavage
Perfect on {100} and {010}, imperfect on {101}
{110} perfect
Mohs Hardness
85-6
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.672-1.6761.613-1.663
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.019-0.0210.020
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
-
-
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Healing