Composition | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | SO3 | Na2O | L.O.I. | RD | Fineness |
Gladstone | 53.0 | 30.4 | 9.5 | 2.5 | 1.0 | 0.4 | 0.1 | 0.3 | 0.4 | 2.4 | 91 |
Bayswater | 70.7 | 20.7 | 3.9 | 1.1 | 0.7 | 1.1 | 0.2 | 0.2 | 1.0 | 2.2 | 97 |
Port Augusta | 49.4 | 29.7 | 2.9 | 4.9 | 2.7 | 1.1 | 0.3 | 3.2 | 0.3 | 2.2 | 86 |