Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| crystal systems  | |
|---|---|
| NT | hexagonal system | 
| monoclinic system | |
| orthorhombic system | |
| triclinic system | |
| RT | atomic packing | 
| crystal chemistry | |
| crystal form | |
| crystal structure | |
| crystallography | |
| crystals | |
| lattice | |
| minerals | |
| symmetry | |
| unit cell | |
| SN | Added to Thesaurus in 1983. |