Tenacity
Brittle
-
Solubility
insoluble in water
-
Durability
-
-
Specific Gravity
5.00-5.203.20-3.50
1
7.18
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Fracture
Uneven, Conchoidal, ConchoidalWalter Schumann
-
Cleavage
Indistinct on {001}; partings on {011} and {111}
Indiscernible
Mohs Hardness
6-6.56-7
2
10
👆🏻
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4