Minerals from Michigan

Copper from Keweenaw Peninsula, Houghton County, Michigan

Copper from Keweenaw Peninsula, Houghton County, Michigan

Copper from Keweenaw Peninsula, Michigan

Copper from Quincy #5 Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Mass Mine, Ontonagon County, Michigan

Copper from Keweenaw Peninsula, Lake Superior, Michigan

Copper from Calumet, Houghton County, Michigan

Copper from Keweenaw Peninsula, Lake Superior, Michigan

Copper from Keweenaw Peninsula, Lake Superior, Michigan

Copper from Keweenaw Peninsula, Lake Superior, Michigan

Copper from Caledonia Mine, Ontonagon County, Michigan

Copper from Houghton, Michigan

Copper from Keweenaw Penisula, Lake Michigan, Michigan

Copper from Central Mine, Keweenaw County, Michigan

Copper from Keweenaw Peninsula, Lake Superior, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Houghton, Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Central Mine, Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Hecla Mine, Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Northwestern Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Champion Mine, Painesdale, Houghton County, Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper from White Pine Mine, Ontonagon County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from White Pine Mine, Ontonagon County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Found while digging the foundation of Keweenaw Gift Shop, Keweenaw, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper from Phoenix Mine, Keweenaw County, Michigan

Copper from Keweenaw Peninsula Copper District, Michigan

Copper (arborescent crystals) from Central Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Minnesota Mine, Ontonagon County, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Houghton County, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Mass Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Central Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Kearsarge Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) from Phoenix Mine, Phoenix, Keweenaw County, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (crystallized) from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from National Mine, Rockland, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (crystallized) from Cliff Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (crystallized) from Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) with Chrysocolla from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (crystallized) with Epidote from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (cubic crystals) from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Copper (cubic crystals) from White Pine Mine, Ontonagon County, Michigan

Copper (native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Central Mine, Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (naturally crystallized native copper) from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (naturally crystallized native copper) from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Copper (naturally crystallized native copper) from Central Mine, Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) on Quartz from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) with Calcite from Keweenaw Peninsula Copper District, Michigan

Copper (naturally crystallized native copper) with Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) with Tenorite coating from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Copper (Skull Formation) from Keweenaw Peninsula, Lake Superior, Michigan

Copper (twisted chiseled blade) from North American Mine, Keweenaw Peninsula Copper District, Michigan

Copper - crystallized from Keweenaw Peninsula Copper District, Michigan

Copper and Analcime from Keweenaw Peninsula Copper District, Michigan

Copper and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula, Lake Superior, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Michigan

Copper and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper and Calcite crystals on Quartz from Keweenaw Peninsula Copper District, Michigan

Copper and Laumontite from Keweenaw Peninsula, Houghton County, Michigan

Copper and Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

Copper and Prehnite from Keweenaw Peninsula Copper District, Michigan

Copper and Silver from Keweenaw Peninsula Copper District, Michigan

Copper and Silver (half-breed) from Keweenaw Peninsula, Michigan

Copper coated with Malachite on Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper crystals on Apophyllite from Houghton County, Michigan

Copper crystals on Calcite from Keweenaw Peninsula, Michigan

Copper crystals with Chrysocolla from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper in Amygdaloid from Ontonagon County, Michigan

Copper in Apophyllite from Copper Falls Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Copper in Basalt from Ahmeek, Keweenaw Peninsula Copper District, Michigan

Copper in Calcite from Calumet, Michigan

Copper in Calcite from Centennial Mine, Keweenaw Peninsula, Michigan

Copper in Calcite from Centennial Mine, Keweenaw Peninsula, Michigan

Copper in Calcite from near Hancock, Houghton County, Michigan

Copper in Calcite from Keweenaw Peninsula, Lake Superior, Michigan

Copper in Calcite from Keweenaw Peninsula, Lake Superior, Michigan

Copper in Calcite from Mass Mine, Ontonagon County, Michigan

Copper in Calcite from Keweenaw Peninsula Copper District, Michigan

Copper in Calcite from Keweenaw Peninsula Copper District, Michigan

Copper in Calcite from Keweenaw Peninsula Copper District, Michigan

Copper in Calcite from Keweenaw Peninsula Copper District, Michigan