rietveldite

== English == === Etymology === Named in honour of Hugo M. Rietveld (1932-2016), Dutch crystallographer Rietveld + -ite === Noun === rietveldite (mineralogy) A orthorhomic mineral containing iron, sulphur, hydrogen, oxygen, and uranium. ==== References ==== Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.