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Geology stack
Geology symmetry
| Term | Definition |
|---|---|
| isometric(cubic) | Four 3-fold rotational axis of symmetry |
| Tetragonal | One 4-fold rotational axis symmetry |
| Hexagonal | One 3-fold or 6-fol rotational axis of symmetry |
| Orthorhombic | Three 2-fold rotational axes of symmetry |
| Monoclinic | One 2-fol rotational axis of symmetry |
| Triclinic | No rotational axes of symmetry |