Citation: Grey, I. E.; Hochleitner, R.; Rewitzer, C.; Riboldi-Tunnicliffe A; Kampf, A. R.; MacRae, C. M.; Mumme, W. G.; Kaliwoda, M.; Friis, H.; Martin, C. U. (2020). The walentaite group and the description of a new member, alcantarillaite, from the Alcantarilla mine, Belalcazar, Cordoba, Andalusia, Spain. Mineralogical Magazine, 84, pp. 412-419.