Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.482.6-3.3
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Lamellar
Cleavage
{101}, good; {010}, poor
Perfect 001
Mohs Hardness
3.52-2.5
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6