Nanophase REE phosphate crystallization induced by vivianite oxidation: mechanistic insights and mineralogical implications.
Ontology highlight
ABSTRACT: Our study investigates the interaction between multi-component rare earth element (REE; La, Ce, Pr, Nd, Dy)-bearing aqueous solutions and vivianite (Fe3 2+(PO4)2·8H2O) grains under hydrothermal conditions (50-165 °C). The results revealed the solution-mediated, progressive oxidation and dissolution of vivianite. This resulted in the formation of iron phosphates, metavivianite [Fe2+Fe2 3+(PO4)2(OH)2·6H2O], and giniite [Fe2+Fe4 3+(PO4)4 (OH)2·2H2O], iron oxide hematite [Fe2O3], and rare earth phosphates, rhabdophane [REE(PO4)·H2O] and monazite
SUBMITTER: Maddin M
PROVIDER: S-EPMC11979900 | biostudies-literature | 2025 Apr
REPOSITORIES: biostudies-literature
ACCESS DATA
