| pointgroups |
forms | 6/mmm | 6m2 | 6mm | 622 | 6/m | 6 | 6 |
pinacoid |
+ | + | - | + | + | + | - |
1st order hexagonal prism |
+ | - | + | + | + | - | + |
2nd order hexagonal prism |
+ | + | + | + | + | - | + |
3d order hexagonal prism |
- | - | - | - | + | - | + |
dihexagonal prism |
+ | - | + | + | - | - | - |
1st order hexagonal dipyramid |
+ | - | - | + | + | - | - |
2nd order hexagonal dipyramid |
+ | + | - | + | + | - | - |
3d order hexagonal dipyramid |
- | - | - | - | + | - | - |
Dihexagonal dipyramid |
+ | - | - | - | - | - | - |
Pedion |
- | - | + | - | - | - | + |
1st order hexagonal pyramid |
- | - | + | - | - | - | + |
2nd order hexagonal pyramid |
- | - | + | - | - | - | + |
3d order hexagonal pyramid |
- | - | - | - | - | - | + |
Dihexagonal pyramid |
- | - | + | - | - | - | - |
Hexagonal trapezohedron |
- | - | - | + | - | - | - |
1st order trigonal prism |
- | + | - | - | - | + | - |
2nd order trigonal prism |
- | - | - | - | - | + | - |
3d order trigonal prism |
- | - | - | - | - | + | - |
ditrigonal prism |
- | + | - | - | - | - | - |
1st order trigonal dipyramid |
- | + | - | - | - | + | - |
2nd order trigonal dipyramid |
- | - | - | - | - | + | - |
3d order trigonal dipyramid |
- | - | - | - | - | + | - |
Ditrigonal dipyramid |
- | + | - | - | - | - | - |