reported for Pb-rich alunite (Scott 1987). For corkite, Most minerals of the alunite group have D occupied...MINERALS OF TIIE BEUDANTITE GROIJP(CIJRRENTUSAGE) corkite b@dutite PbFe[(P,S)OJ,(OH,H,o)6 rbre3[(As,S)OJdOH...plumbojarosite, corkite, and beudantite have been in use for many years, and corkite and beudantite occupy...difficulties. In the system with Fe predominant in G, corkite and beudantite have priority, thereby requiring...fields encompassedby Ga analogues of segnitite, corkite, and kintoreite, thus permitting the introduction |