Spaces
WPV symbol point groups
Crystal families
WPV symbol holohedries
Orders
E2
4 mm
square
4 mm
8
E3
422
tetragonal
4mm
m
16
E4
square oblique
4mm
2
16
E5
square triclinic
16
E6
square hexaclinic
16
E7
square decaclinic
16
| Spaces | WPV symbol point groups | Crystal families | WPV symbol holohedries | Orders |
| E2 | 4 mm | square | 4 mm | 8 |
| E3 | 422 | tetragonal | 4mm | 16 |
| E4 |
| square oblique | 4mm | 16 |
| E5 |
| square triclinic |
| 16 |
| E6 |
| square hexaclinic |
| 16 |
| E7 |
| square decaclinic |
| 16 |