Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
4.32-4.482.93-2.96
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Subconchoidal, Conchoidal
Cleavage
{101}, good; {010}, poor
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
3.53.5-4
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references