| Mineral | Symmetry Class | Space Group | a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|---|---|---|
| Davidite-(La) | ||||||||
| Davidite-(Y) | ||||||||
| Davidite-(ce) | ||||||||
| Dessauite-(Y) | rhombohedral | *R 3(-) | 9.1970 | 9.1970 | 9.1970 | 68.75 | 68.75 | 68.75 |
| Gramaccioliite-(Y) | rhombohedral | *R 3(-) | 9.1860 | 9.1860 | 9.1860 | 68.82 | 68.82 | 68.82 |
| Landauite | monoclinic-beta | A 2/a | 5.2250 | 8.9550 | 9.7830 | 90.00 | 107.00 | 90.00 |
| Lindsleyite | trigonal | R 3(-) | 10.4369 | 10.4369 | 20.8871 | 90.00 | 90.00 | 120.00 |
| Loveringite | rhombohedral | *R 3(-) | 9.1170 | 9.1170 | 9.1170 | 69.07 | 69.07 | 69.07 |
| Mathiasite | rhombohedral | *R 3(-) | 9.1190 | 9.1190 | 9.1190 | 69.24 | 69.24 | 69.24 |
| Senaite | rhombohedral | *R 3(-) | 9.1720 | 9.1720 | 9.1720 | 69.02 | 69.02 | 69.02 |
| Unnamed crichtonite V-rich member | ||||||||
| ca-dominant mathiasite | ||||||||
| cleusonite | ||||||||
| crichtonite | rhombohedral | *R 3(-) | 9.1480 | 9.1480 | 9.1480 | 69.08 | 69.08 | 69.08 |