Formula: PbAl3(PO4)2(OH)5.H2O Hexagonal
Description: Plumbogummite is a rare secondary mineral found in the oxidized zone over lead-bearing deposits.
RUSK COUNTY: Plumbogummite occurs in the oxidized zone at the Flambeau Mine, near Ladysmith (Jones, Jones, and LaBerge, 1999).
WOOD COUNTY: Plumbogummite was found as tiny grains intergrown with sulfides in a greisen zone in the Magurie Pit, part of the LaDick East quarry complex east of Wausau (Buchholz et al. , 2005a).