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 | ||