Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.503.65-4.55
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indiscernible
None, but may exhibit slight parting
Mohs Hardness
6-77.5-8
2
10
👆🏻
Chemical Composition
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)