Origin
Mexico, Thailand, Italy, Austria
Canada
Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
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
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
3.30-3.502.72-2.83
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Good on {100} and {110}
Mohs Hardness
56-7
2
10
👆🏻
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Vitreous, Adamantine, Silky
Vitreous, Pearly
Pleochroism
-
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.614-1.6361.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0220.021
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Inner Peace
Inner Peace