Elements | Si | Mg | Ca | Fe | Al | K | Ti | Cl | S | Zr | Zn |
% | 55.65 | 2.10 | 0.82 | 15.73 | 13.53 | 6.05 | 3.98 | 0.79 | 0.47 | 0.80 | 0.03 |