Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.483.65-4.55
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Conchoidal
Cleavage
{101}, good; {010}, poor
None, but may exhibit slight parting
Mohs Hardness
3.57.5-8
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)