Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.72
1
7.18
👆🏻
Fracture
-
-
Cleavage
-
{110} Perfect, {010} Perfect
Mohs Hardness
-99995-6
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, CaO, MgO, FeO
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)