Hidalgoite

Yellow-green hidalgoite crust on iron oxide (gossan) matrix. From the Gold Hill Mine, Tooele County, Utah. (Photo by W. Cordua.)

Formula: PbAl3(AsO4)(SO4)(OH)6 Hexagonal

Description:

Hidalgoite is a rare secondary mineral found in the zone of oxidized over lead-bearing deposits.

RUSK COUNTY: Hidalgoite occurs in the oxidized zone at the Flambeau Mine, near Ladysmith. (Jones, Jones, and LaBerge, 1999).