Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
hexagonal system  | |
|---|---|
| BT | crystal systems |
| .hexagonal system | |
| RT | crystallography |
| SN | Before 1985, also search hexagonal. Added to Thesaurus in 1985. |
| Data sets | Publications | Expeditions | Thesaurus |
| hexagonal system | |
|---|---|
| BT | crystal systems |
| .hexagonal system | |
| RT | crystallography |
| SN | Before 1985, also search hexagonal. Added to Thesaurus in 1985. |