Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.32-4.483.20-3.50
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
-
Cleavage
{101}, good; {010}, poor
Indiscernible
Mohs Hardness
3.56-7
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4