Herja Mine, Romania.

Tri-State, Joplin, Missouri, USA.

Huaron Mine, Cerro de Pasco, Peru.

Yuca Mine, Inyo Co., California, USA.

Langesundsfjurden, Vestfold, Norway.

Knipe Mine, New Cumnock, Scotland.

Cavnic, Maramures, Romania

Naica, Mexico

Potosi District, Humboldt County, Nevada, USA