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Table 2
Composition of the crystalline phases measured by XRD after annealing at 1100 °C of the silicate samples.
| Phase | Phase | F1c | F2c | F3c | Ec | Dc |
| Name | composition | phase abundance (in mass %) | ||||
|
|
||||||
| Periclase | MgO | 38 | 18 | 6 | – | – |
| Forsterite | Mg2SiO4 | 38 | 82 | 94 | 15 | – |
| Orthoenstatite | MgSiO3 | 24 | – | – | 64 | – |
| Clinoenstatite | MgSiO3 | – | – | – | 21 | – |
| Merwinite | Ca3MgSi2O8 | – | – | – | – | 7 |
| Diopside | CaMgSi2O6 | – | – | – | – | 65 |
| Akermanite | Ca2MgSi2O7 | – | – | – | – | 28 |
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