Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.482.69-2.79
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Conchoidal
Cleavage
{101}, good; {010}, poor
Poor on {0001}
Mohs Hardness
3.55.5-6.5
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references