Origin
Mexico, Thailand, Italy, Austria
Brazil, Southern and central Africa, Sri Lanka
Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Red, gray
Streak
White
Red, Black
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
Insoluble in acids
Durability
-
-
Specific Gravity
3.30-3.504.20-4.30
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {110}, poor on {101}, {001} rare
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
56-6.5
2
10
👆🏻
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Adamantine, Silky
Adamantine
Pleochroism
-
Weak to distinct brownish red-green-yellow
Dispersion
0.020.33
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.614-1.6362.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0220.296
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Clarity
Healing
Emotional healing
Physical healing
Qualities Associated
Inner Peace
Awareness