Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.483.16-3.43
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
{101}, good; {010}, poor
{110} Good, {110} Good
Mohs Hardness
3.55-6
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)