| Mineral | Symmetry Class | Space Group | a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|---|---|---|
| Merrillite | trigonal | R 3c | 10.2909 | 10.2909 | 36.8746 | 90.00 | 90.00 | 120.00 |
| Merrillite-(Na) | ||||||||
| Merrillite-(Y) | ||||||||
| Strontiowhitlockite | ||||||||
| Tuite | trigonal | R 3(-)m | 5.2487 | 5.2487 | 18.6787 | 90.00 | 90.00 | 120.00 |
| Whitlockite | trigonal | R 3c | 10.3300 | 10.3300 | 37.1030 | 90.00 | 90.00 | 120.00 |
| cerite-(La) | ||||||||
| cerite-(ce) | trigonal | R 3c | 10.7790 | 10.7790 | 38.0600 | 90.00 | 90.00 | 120.00 |