| Chemical Element | FA | Z | MZ |
| C | 34.40 | 22.55 | 20.68 |
| O | 46.63 | 46.38 | 46.19 |
| Na | - | 9.97 | 23.83 |
| Al | 4.44 | 8.78 | 3.19 |
| Si | 19.04 | 10.44 | 3.09 |
| Ca | 2.25 | 1.29 | 0.22 |
| Fe | - | 0.59 | 2.80 |