Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
-99994.32-4.48
1
7.18
👆🏻
Fracture
-
Uneven, Subconchoidal, Conchoidal
Cleavage
-
{101}, good; {010}, poor
Mohs Hardness
-99993.5
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, CaO, MgO, FeO
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)