Minerals from Michigan

Hematite-Limonite from Menominee Range, near Iron City, Dickinson County, Michigan

Ilmenite from Republic Mine, Marquette County, Michigan

Limonite Stalactite from Negaunee Iron Mining District, Marquette County, Michigan

Magnetite pseudomorph after Garnet from Champion Mine, Ishpeming, Michigan

Manganite from (Lucy Mine), Negaunee District, Marquette County, Michigan

Manganite from Ironwood, Gogebic Range, Gogebic County, Michigan

Manganite on Hematite from Negaunee Iron District, Marquette County, Michigan

Marcasite with Calcite from Bellevue Quarry, Eaton County, Michigan

Millerite in Quartz Geode from Wallace Stone Company Quarry, Bay Port, Huron County, Michigan

Millerite on Calcite from Bayport Quarry, Huron County, Michigan

Natrolite from Lake Superior, Michigan

Paramelaconite and Chrysocolla from Algoma Mine, Ontonagon County, Michigan

Prehnite and Copper on Calcite from Tamarack Mine, Calumet, Houghton County, Michigan

Prehnite with Copper crystals from Tamarack Mine, Calumet, Houghton County, Michigan

Prehnite with Copper crystals from Tamarack Mine, Calumet, Houghton County, Michigan

Psilomelane from Ironwood, Gogebic County, Michigan

Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

Pumpellyite-(Mg) from Isle Royale, Lake Superior, Michigan (Type Locality for Pumpellyite-(Mg))

Pumpellyite-(Mg) from Isle Royale, Lake Superior, Michigan (Type Locality for Pumpellyite-(Mg))

Pumpellyite-(Mg) var. Chlorastrolite from Isle Royale, Keweenaw County, Lake Superior, Michigan (Type Locality for Pumpellyite-(Mg))

Pumpellyite-(Mg) with Native Copper on Prehnite from Central Mine, Keweenaw Peninsula Copper District, Michigan (Type Locality for Pumpellyite-(Mg))

Pyrolusite from Taylor Mine, Alberta, Michigan

Pyrolusite from Taylor Mine, Alberta, Baraga County, Michigan

Pyrolusite from Taylor Mine, near Alberta, Baraga County, Michigan

Pyrolusite from Taylor Mine, Alberta, Baraga County, Michigan

Pyrolusite from (Taylor Mine), Alberta, Baraga County, Michigan

Pyrolusite and Quartz from Negaunee, Marquette County, Michigan

Pyrolusite and Quartz from L'Anse, Baraga County, Michigan

Pyrolusite on Quartz from Taylor Mine, Alberta, Baraga County, Michigan

Pyrolusite var. Needle Ore from McComber Mine (Lucy Mine), Negaunee, Marquette County, Michigan

Pyrolusite with Quartz from Lucy Mine, Negaunee, Marquette County, Michigan

Quartz var. Amethyst from Keweenaw Peninsula Copper District, Michigan

Quartz var. Lake Superior Agate from Michigan

Rammelsbergite, Domeykite, Algodonite from Houghton County, Michigan

Silver from White Pine Mine, 2500 Level - Unit 96, Ontonagon County, Michigan

Silver from Keweenaw Peninsula, Lake Superior, Michigan

Silver from Calumet-Hecla Mine, Houghton County, Michigan

Silver from Wolverine Mine, Houghton County, Michigan

Silver from Keweenaw Peninsula Copper District, Michigan

Silver from Keweenaw Peninsula Copper District, Michigan

Silver from Wolverine Mine, Cheboygan County, Michigan

Silver from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Ontonagon County, Michigan

Silver from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from Evergreen Bluff Mine, Mass City, Ontonagon County, Michigan

Silver from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Ontonagon County, Michigan

Silver from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from Hill Fissure Mine, Copper Falls, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Ontonagon County, Michigan

Silver from Hill Fissure Mine, Copper Falls, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver (arborescent crystal formation) from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver (naturally crystallized native silver) with Copper from Keweenaw Peninsula Copper District, Michigan

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

Silver and Copper from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

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

Silver and Copper from Ridge Mine, Mass City, Ontonagon County, Michigan

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

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

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

Silver and Copper (half-breed) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Silver and Copper (half-breed) from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver and Copper (half-breed) from Adventure Mine, Ontonagon County, Michigan

Silver and Copper (var. halfbreed) from Keweenaw Peninsula Copper District, Michigan

Silver and Copper in Calcite from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-Breed from Seneca Mine, Mohawk, Keweenaw County, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. half-breed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Half-breed (combination of native silver and native copper) from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula, Lake Superior, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula, Lake Superior, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Halfbreed from Houghton County, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula Copper District, Houghton County, Michigan

Silver and Copper var. Halfbreed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper with Epidote from South Kearsarge Mine, Houghton County, Keweenaw Peninsula Copper District, Michigan

Silver and Copper, var. Halfbreed from Keweenaw Peninsula Copper District, Michigan

Silver and Copper, var. Halfbreed from Keweenaw Peninsula, Michigan

Silver and Copper, var. Halfbreed from Keweenaw Peninsula, Michigan

Silver and Copper, var. Halfbreed from Calumet Mine, Keweenaw Peninsula Copper District, Michigan

Silver and Copper, var. Halfbreed from Calumet Mine, Houghton County, Keweenaw Peninsula Copper District, Michigan

Silver in Calcite from Copper Falls Mine, Keweenaw Peninsula Copper District, Michigan

Silver in Calcite with Epidote from Keweenaw Peninsula Copper District, Michigan

Silver on Prehnite from Cliff Mine, Phoenix, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Silver on Quartz from Copper Falls Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Silver with Copper (var. Halfbreed) from Keweenaw Peninsula Copper District, Michigan

Silver with Copper and Epidote from Old Mass Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Silver, Copper half breed from Keweenaw Peninsula, Michigan

Silver, Copper halfbreed from Keweenaw Peninsula, Michigan

Silver, Copper var. Halfbreed from Keweenaw Peninsula, Lake Superior, Michigan

Silver-Copper var. Halfbreed from Keweenaw Peninsula Copper District, Michigan

Strontianite from Ida Quarry, Monroe County, Michigan

Sulfur from Scofield Quarry, Maybee, Michigan

Sulfur from Scofield Quarry, Maybee, Monroe County, Michigan

Sulfur from Scofield Quarry, Maybee, Monroe County, Michigan

Sulfur from Scofield Quarry, Maybee, Monroe County, Michigan

Sulfur and Calcite on Celestine from Scofield Quarry, Maybee, Monroe County, Michigan

Sulfur on Celestine from Scofield Quarry, Maybee, Monroe County, Michigan

Thomsonite (Eye Formation) from Keweenaw County, Michigan

Whitneyite (mixture of copper, arsenic, algodonite) from Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan