Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.553.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None, but may exhibit slight parting
Indiscernible
Mohs Hardness
7.5-86-7
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4