Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-9999
1
7.18
👆🏻
Fracture
-
-
Cleavage
Imperfect in one direction
-
Mohs Hardness
5-5.5-9999
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2, Al2O3, CaO, MgO, FeO