| Invariant point | Liquidus T˚/˚C | Mole fraction/% | ||
| CaCl2 | CaF2 | CaO | ||
| Eutectics | 637 | 78.2 | 15.7 | 6.1 |
| Peritectics | 650 | 68.8 | 17.3 | 13.9 |
| Peritectics | 702 | 86.7 | 6.4 | 6.9 |
| Peritectics | 702 | 73.0 | 10.9 | 16.1 |
| Peritectics | 709 | 54.6 | 33.7 | 11.7 |
| Peritectics | 1151 | 12.5 | 71.4 | 16.1 |