Composition | Element | Averaged atomic % |
Al2O3 | Al | 7.48 |
CaO | Ca | 0.90 |
Fe2O3 | Fe | 1.30 |
K2O | K | 0.60 |
MgO | Mg | 0.92 |
Na2O | Na | 1.28 |
SO3 | S | 0.04 |
SiO2 | Si | 21.26 |
TiO2 | Ti | 0.24 |
| O | 59.77 |