Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.253.20-3.50
1
7.18
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Fracture
-
-
Cleavage
Imperfect in one direction
Indiscernible
Mohs Hardness
5-5.56-7
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4