8895 entries of Online Mineral Museum - Mineral Specimens of Species Beginning with C
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Copper in Apophyllite
from Copper Falls Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan
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Copper in Calcite
from Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona
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Copper in Calcite
from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan
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Copper in conglomerate
from Calumet and Hecla Mine, Houghton County, Keweenaw Peninsula Copper District, Michigan
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Copper in Datolite
from Caledonia Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan
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Copper in shale
from White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan
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Copper on Prehnite
from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan
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Copper on Prehnite
from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan
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Copper on Prehnite
from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan
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Copper on Prehnite
from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan
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Copper on Prehnite
from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan
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Copper var. Skull
from Centennial Mine, Calumet, Houghton County, Keweenaw Peninsula Copper District, Michigan
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