Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.98-4.043.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Imperfect, poor one {100}
Indiscernible
Mohs Hardness
4.5-56-7
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4