WGNHS
Wisconsin Geological and Natural History Survey

Brochantite

Green brochantite with blue azurite on hematite. Field of view is 0.8 cm left to right. Morenci Pit, Greenlee County, Arizona. (Photo by W. Cordua.)

Formula: Cu4SO4(OH)6 Monoclinic

Description:

Brochantite is a mineral formed by weathering of other copper minerals such as chalcopyrite.

VERNON COUNTY: Brochantite was reported as ocurring near Esofea (Crowns, 1976).