Copper

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Copper Cu with Calcite, White Pine Mine, White Pine, Ontonagon Co., Michigan

Copper Cu with Calcite and Malachite, White Pine Mine, White Pine, Ontonagon Co., Michigan

Copper Cu with Calcite, Houghton Co., Michigan

Copper Cu with Silver, White Pine Mine, White Pine, Ontonagon Co., Michigan

Copper Cu, Keweenaw Co., Michigan

Copper Cu, with Epidote and Chryscolla, Keweenaw Co., Michigan

Copper Cu, with Epidote and Chryscolla, Keweenaw Co., Michigan

Copper Cu, Keweenaw Co., Michigan

Copper Cu with Calcite and Malachite, Ojibway Mine, Ojibway, Keweenaw Co., Michigan

Copper Cu, Central X, Central, Keweenaw Co., Michigan

Copper Cu Skull, Centennial Mine, Centennial, Keweenaw Co., Michigan

Copper Cu, Central Mine, Central, Keweenaw Co., Michigan

Copper Cu, with Chrysocolla, Winona Mine, Houghton Co., Michigan

Copper Cu, Float Copper, Ripley, Houghton Co., Michigan

Copper Cu, Float Copper, Ripley, Houghton Co., Michigan

Copper Cu, Float Copper, Ripley, Houghton Co., Michigan

Copper Cu, Crystals, Keweenaw Co., Michigan

Copper Cu, Crystals, Keweenaw Co., Michigan

Copper Cu, with Epidote and Malachite, Keweenaw Co., Michigan

Copper Cu, with Epidote, Calcite and Malachite,, Keweenaw Co., Michigan

Copper Cu I Upper Peninsula of Michigan

Copper Cu II Upper Peninsula of Michigan

Copper Cu III Upper Peninsula of Michigan

Copper Cu IV Upper Peninsula of Michigan

Copper Cu crystals with Calcite, Keweenaw Co., Michigan

Copper Cu with Cuprite Cu2O Baltic Mine, Baltic, Houghton Co., Michigan

Copper Cu, with Silver Ag, Upper Peninsula of Michigan

Copper Cu, I, White Pine Mine, Ontonagon County, Michigan

Copper Cu V, Mass City, Michigan

Copper Cu in Prehnite Ca2Al(AlSi3O10)(OH)2, Caledonia Mine, Ontonagon Co., Michigan

Copper Cu, II, White Pine Mine, Ontonagon County, Michigan

Copper Cu with Calcite, Keweenaw County, Michigan

Copper Cu Ray Mine, Pinal Co., Arizona

Copper Cu

Copper Cu Crystal on Mass Copper with Malachite, Keweenaw Co., MI

Copper Cu, Central Mine Shaft 4, Central, Keweenaw Co., Michigan

Copper Cu with Silver Ag, Kearsarge Mine, Houghton Co., Michigan

Copper Cu, Keweenaw Co., Michigan

Copper Cu, with Malachite and Chrysocolla, Keweenaw Co., Michigan

Copper Cu, Float Copper, Ripley, Houghton Co., MI

Copper Cu with Silver Ag, Osceola Mine, Houghton Co., Michigan

Copper Cu with Silver Ag, Keweenaw Co., Michigan

Copper Cu with Quartz SiO2 , Negaunee, Marquette Co., Michigan

Copper Cu in Prehnite Ca2Al(AlSi3O10)(OH)2, Osceola #13 Mine, Houghton Co., Michigan

Copper Cu in Prehnite Ca2Al(AlSi3O10)(OH)2, Osceola #13 Mine, Houghton Co., Michigan

Copper Cu with Casts after Quartz, Quartz, Epidote (sealed), Caledonia Mine, Ontonagon Co., Michigan

Copper Cu in Prehnite Ca2Al(AlSi3O10)(OH)2, Phoenix Mine, Keweenaw Co., Michigan

Copper Cu, Keweenaw Co., Michigan

Copper Cu with Quartz and Epidote, Keweenaw Co., Michigan

Copper Cu, Central Mine, Keweenaw Co., Michigan

Copper Cu, Keweenaw Co., Michigan

Copper Cu with Quartz, Adularia, Copper included Quartz, and Epidote, Keweenaw Co., Michigan