Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.403.20-3.50
1
7.18
👆🏻
Fracture
-
-
Cleavage
perfect on {010}; good on {100}
Indiscernible
Mohs Hardness
5-5.56-7
2
10
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Chemical Composition
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby Zoisite: (Ca,Na)(Al,Mg,Fe)3Al6(BO3)3Si6O18(OH)4