3883 entries of Minerals from Midwest, USA
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Copper and Calcite
from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan
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Copper and Calcite
from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan
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Copper and Calcite
from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan
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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 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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Copper with Silver
from South Kearsarge Mine, Houghton County, Keweenaw Peninsula Copper District, Michigan
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Datolite
from Lake Superior Copper Distric, Keweenaw Peninsula, Michigan
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Datolite
from Keweenaw Peninsula Copper District, Michigan
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Datolite
from Keweenaw Peninsula Copper District, Michigan
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Datolite
from Keweenaw Peninsula Copper District, Michigan
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Datolite
from Mass Mine, Ontonagon County, Michigan
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Delindeite
from Diamond Jo quarry, Magnet Cove, Hot Spring County, Arkansas (Type Locality for Delindeite)
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Dolomite
from Corydon, Harrison County, Indiana
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Dolomite
from Corydon Stone Quarry, Harrison County, Indiana
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Dolomite
from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri
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Dolomite
from Black Rock Quarry, Lawrence County, Arkansas
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