Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.3923.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
{010} moderate, {100} imperfect
Indiscernible
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4