Formula | Si | Al | Ti | Fe2 | Mn | Mg | Ca | Na | K | Cations | Ab | An | Or |
1 | 10.654 | 5.488 | 0.013 | 0.001 | 0 | 0.011 | 0.698 | 3.411 | 0.018 | 20.294 | 82.7 | 16.9 | 0.4 |
2 | 11.078 | 4.816 | 0.003 | 0.04 | 0 | 0 | 0.888 | 3.345 | 0.014 | 20.184 | 78.8 | 20.9 | 0.3 |
3 | 11.075 | 4.734 | 0.118 | 0.007 | 0 | 0 | 0.831 | 3.319 | 0.018 | 20.102 | 79.6 | 19.9 | 0.4 |
4 | 10.903 | 5.003 | 0.027 | 0 | 0 | 0 | 1.103 | 3.029 | 0.02 | 20.085 | 73 | 26.6 | 0.5 |
5 | 10.839 | 5.008 | 0.054 | 0 | 0 | 0 | 1.126 | 3.118 | 0.02 | 20.165 | 73.1 | 26.4 | 0.5 |