| Mineral | Symmetry Class | Space Group | a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|---|---|---|
| Marialite | tetragonal | I 4/m | 12.0600 | 12.0600 | 7.5720 | 90.00 | 90.00 | 90.00 |
| Meionite | tetragonal | I 4/m | 12.2600 | 12.2600 | 7.6100 | 90.00 | 90.00 | 90.00 |
| Sarcolite | tetragonal | I 4/m | 12.3430 | 12.3430 | 15.4630 | 90.00 | 90.00 | 90.00 |
| Silvialite | tetragonal | I 4/m | 12.1600 | 12.1600 | 7.5600 | 90.00 | 90.00 | 90.00 |