Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-3.903.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
Indiscernible
Mohs Hardness
3.5-46-7
2
10
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Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4