Hoi Harald
Vielleicht
Xenotim (Xenotim-Y). Berzelius 1824
Ewing, R. C., & Wang, L. (2002). Phosphates as nuclear waste forms. Reviews in mineralogy and geochemistry, 48(1), 673-699
Gruß, Martin
EDIT: "In the most recent study [176], xenotime and merrillite are also reported (Figure 8a)." McLeod, C. L., & Krekeler, M. P. (2017). Sources of extraterrestrial rare earth elements: to the moon and beyond. Resources, 6(3), 40.
Sorry, hab grad dicke Finger beim Kopieren.