Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.153.20-3.50
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
perfect along [010] and [100]
Indiscernible
Mohs Hardness
3.5-46-7
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4