Tenacity
-
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
3.32-3.432.65
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Poor on {110} and {100} very poor on {001}
Indiscernible
Mohs Hardness
6-77
2
10
👆🏻
Chemical Composition
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
SiO2