| Crystal system | Point Groups (laue group in bold) |
Alternatives |
|---|---|---|
| triclinic | 1 -1 | |
| monoclinic | 2 m 2/m | |
| orthorhombic | 222 mm2 mmm | 2mm m2m |
| tetragonal low | 4 -4 4/m | |
| tetragonal high | 422 4mm -42m 4/mmm | -4m2 |
| trigonal low | 3 -3 | |
| trigonal high | 312 31m -31m | |
| 321 3m1 -3m1 | ||
| hexagonal low | 6 -6 6/m | |
| hexagonal high | 622 6mm -6m2 6/mmm | -62m |
| rhombohedral low | R3 R-3 | |
| rhombohedral high | R32 R3m R-3m | |
| cubic low | 23 m3 | m-3=m3 |
| cubic high | 432 -43m m3m | m-3m=m3m |