Origin
Mexico, Thailand, Italy, Austria
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Streak
White
Colorless
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
Soluble
-
Durability
-
-
Specific Gravity
3.30-3.503.03-3.18
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Irregular, Conchoidal
Cleavage
Perfect on {110}, poor on {101}, {001} rare
{???} Indistinct
Mohs Hardness
57-7.5
2
10
👆🏻
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Adamantine, Silky
Vitreous
Pleochroism
-
Very strong: pale yellow colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.614-1.6361.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.0220.014-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Inner Peace
Self-Exploration