| Mineral | Symmetry Class | Space Group | a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|---|---|---|
| Benyacarite | orthorhombic | P bca | 10.5610 | 20.5850 | 12.5160 | 90.00 | 90.00 | 90.00 |
| Mantienneite | orthorhombic | P bca | 10.4090 | 20.3300 | 12.3120 | 90.00 | 90.00 | 90.00 |
| Paulkerrite | orthorhombic | P bca | 10.4900 | 20.7500 | 12.4400 | 90.00 | 90.00 | 90.00 |