plumbogummite

noun
plum·​bo·​gummite | \¦pləm(ˌ)bō+\
plural -s

Definition of plumbogummite 

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

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History and Etymology for plumbogummite

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

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