| Element | % weight | % of atoms |
| C K | 10.14 | 17.02 |
| O K | 46.13 | 58.16 |
| Na K | 0.92 | 0.80 |
| Mg K | 1.48 | 1.23 |
| Al K | 4.04 | 3.02 |
| Si K | 12.85 | 9.23 |
| P K | 1.48 | 0.97 |
| S K | 1.02 | 0.64 |
| Cl K | 0.43 | 0.25 |
| K K | 1.14 | 0.59 |
| Ca K | 3.29 | 1.66 |
| Ti K | 4.48 | 1.89 |
| Fe K | 12.58 | 4.54 |
| Total | 100.00 |