Entry | Element expressed as oxide | Talc composition [wt.%] | Vermiculite composition [wt.%] |
---|---|---|---|
1 | SiO2 | 54.28 | 42.98 |
2 | Al2O3 | 2.48 | 14.24 |
3 | Fe2O3 | 6.07 | 7.13 |
4 | MgO | 29.35 | 21.35 |
5 | CaO | 1.22 | 2.06 |
6 | MnO | 0.26 | 0.18 |
7 | K2O | 0.12 | 0.92 |
8 | Na2O | 0.25 | 0.48 |
9 | Cr2O3 | 0.08 | 0.04 |
Sum* | 94.1 | 89.4 |