Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.504.95-5.0
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Indiscernible
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
6-74-5
2
10
👆🏻
Chemical Composition
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references