plumbogummite

noun

plum·​bo·​gummite

¦pləm(ˌ)bō+

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

Word History

Etymology

plumb- + gumm- (from Latin gummi gum) + -ite

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