Definition of plumbogummite
plural -s
1
: a mineral PbAl3(PO4)2(OH)5.H2O consisting of a hydrous basic phosphate of lead and aluminum
2
: a group of isostructural minerals consisting of plumbogummite, gorceixite, goyazite, crandallite, deltaite, florencite, and dussertite and related to alunite and other sulfates isostructural with it
