Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.503.16-3.23
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
Indiscernible
[0001] indistinct, [1010] indistinct
Mohs Hardness
6-75
2
10
👆🏻
Chemical Composition
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references