Formula | Si | Al | Ti | Fe2 | Mn | Mg | Ca | Na | K | Cations | Ab | An | Or |
1 | 11.796 | 4.178 | 0 | 0.013 | 0 | 0.026 | 0.133 | 3.68 | 0.245 | 20.071 | 90.7 | 3.3 | 6 |
2 | 11.744 | 4.24 | 0 | 0.009 | 0 | 0.078 | 0.135 | 3.638 | 0.212 | 20.056 | 91.3 | 3.4 | 5.3 |
3 | 11.739 | 4.257 | 0 | 0.01 | 0 | 0.034 | 0.138 | 3.655 | 0.238 | 20.071 | 90.7 | 3.4 | 5.9 |
4 | 11.8 | 4.204 | 0 | 0.009 | 0 | 0.047 | 0.125 | 3.64 | 0.175 | 20 | 92.4 | 3.2 | 4.4 |
5 | 11.771 | 4.222 | 0 | 0.006 | 0 | 0.039 | 0.146 | 3.708 | 0.15 | 20.042 | 92.6 | 3.6 | 3.7 |