Engelsk navneord: fergusonite | |||
| 1. | fergusonite (om masse el. substans) a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals | ||
| Mindre specifikke termer | mineral | ||
| Vedrærer disse specifikke termer | atomic number 39, atomic number 68, atomic number 73, Er, erbium, Ta, tantalum, Y, yttrium | ||