Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.482.82
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
-
Cleavage
{101}, good; {010}, poor
Perfect in one direction, indistinct in one direction
Mohs Hardness
3.56
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
K2Na(Ca,Mn)2Ti[O|Si7O18(OH)]