Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
zirkelite  | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..glasses | |
| ...zirkelite | |
| SN | As of 1981, restricted to use as the igneous rock; for the mineral, use zirconolite. As of 1993, this term is considered obsolete. |