Hexagonal (crystal system) Guide, Meaning , Facts, Information and Description
In crystallography, the hexagonal crystal system is one of the 7 lattice point groups. It has the same symmetry as a right prism with a hexagonal base. There is only one hexagonal Bravais lattice.
Graphite is an example of a crystal that crystallizes in the hexagonal crystal system.
The point groups (crystal classes) that fall under this crystal system are listed below, followed by their representations in international notation and Schoenflies notation, and mineral examples, if they exist.
| name | international | Schoenflies | example |
| dihexagonal bipyramidal | D6h | beryl | |
| dihexagonal pyramidal | C6v | greenockite | |
| hexagonal bipyramidal | C6h | apatite | |
| hexagonal pyramidal | 6 | C6 | |
| hexagonal trapezohedral | D6 | ||
| ditrigonal bipyramidal | D3h | ||
| trigonal bipyramidal | C3h |
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