| Si | 3.15 | 3.13 | 3.08 | 3.15 | 3.08 | 3.10 | 3.12 | 3.11 |
| AlIV | 2.71 | 2.72 | 2.68 | 2.74 | 2.71 | 2.67 | 2.73 | 2.74 |
| Sum_T | 5.86 | 5.85 | 5.77 | 5.88 | 5.79 | 5.76 | 5.86 | 5.85 |
| Ti | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
| Fe2 | 0.10 | 0.10 | 0.27 | 0.09 | 0.23 | 0.24 | 0.11 | 0.12 |
| Mn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Mg | 0.07 | 0.07 | 0.06 | 0.06 | 0.07 | 0.08 | 0.06 | 0.06 |
| Ca | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 |
| Na | 0.08 | 0.08 | 0.09 | 0.08 | 0.09 | 0.09 | 0.09 | 0.10 |
| K | 0.78 | 0.79 | 0.78 | 0.74 | 0.77 | 0.82 | 0.77 | 0.82 |
| O | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 |
| Fe_FeMg | 0.60 | 0.57 | 0.81 | 0.61 | 0.78 | 0.76 | 0.64 | 0.66 |
| Mg_FeMg | 0.40 | 0.43 | 0.19 | 0.39 | 0.22 | 0.24 | 0.36 | 0.34 |