Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.50-5.903.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
Indiscernible
Mohs Hardness
46-7
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4