pyrochlore noun1 •A mineral whose composition is that of a mixed niobate mostly of sodium, calcium and cerium, (Na,Ca)₂Nb₂O₆(OH,F).In general, the hydroxamates are used for flotation of oxidic minerals (pyrochlore, cassiterite and ilmenite), rare-earth oxides and oxide copper minerals. — 2007 formspyrochlores
