
Powdery yellow beaverite crust with green brochantite on matrix. From the Horn Silver Mine, Frisco District, Beaver County, Utah. (Photo by W. Cordua.)
Formula: Pb(Fe3+Cu)3(SO4)2(OH)6 Hexagonal
Description: Beaverite-(Cu) is a rare secondary mineral found in the oxidized zone over lead-bearing deposits.
RUSK COUNTY: Beaverite occurs as in the oxidized zone at the Flambeau Mine, near Ladysmith (Jones, Jones, and LaBerge, 1999).