A complete set of new thermodynamic data has been determined for three Al and Fe arsenate minerals: mansfieldite, angelellite and kamarizaite.
Majzlan J., Nielsen U.G., Dachs E., Benisek A., Drahota P., Kolitsch U., Herrmann J., Bolanz R., Števko M. (2018): Thermodynamic properties of mansfieldite (AlAsO4·2H2O), angelellite (Fe2(AsO4)2O3) and kamarizaite (Fe3(AsO4)2(OH)3·3H2O). Mineralogical Magazine 82, 1333-1354. (DOI)