Origin
Italy, China
Australia
Color
Colorless, White, Blue, gray
Blue, Green, Greenish, Black
Streak
White
Grey, gray
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
3.094.00-4.62
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Indistinct parting on [111]
Mohs Hardness
87.5-8
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.672-1.6761.790-1.818
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.019-0.021-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Aids in digestion and soothes the stomach
Reproductive
-
-
Digestive
-
-
Psychology
-
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Harmony