Formula | Na2O | K2O | MgO | CaO | MnO | FeO | Al2O3 | SiO2 | Total | O= | Total |
1 | 8.24 | 0.09 | 0.02 | 4.79 | 0 | 0.73 | 24.03 | 63.31 | 101.21 | 101.21 | |
2 | 9.13 | 0.08 | 0 | 4.43 | 0 | 0 | 24.36 | 64.47 | 102.47 | 102.47 | |
3 | 9.74 | 0.04 | 0.02 | 4.28 | 0 | 0 | 22.17 | 62.12 | 98.36 | 98.36 | |
4 | 9.72 | 0.07 | 0 | 4.53 | 0 | 0.09 | 22.48 | 62.14 | 99.02 | 99.02 |