837 entries of Mineral Gallery from Illinois
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Fossil Fern
from Pennsylvanian Mazon Creek region, Carbondale Formation, Braidwood, Will County, Illinois
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Galena
from Galena, Jo Daviess County, Illinois
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Galena
from Galena, Jo Daviess County, Illinois
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Galena
from Gill Mine, Galena, Jo Daviess County, Illinois
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Galena
from Galena Mining District, Jo Davies County, Illinois
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Galena
from Cave-in-Rock District, Hardin County, Illinois
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Pyrite
from Chicago Aggregates Tunnel, (Chicago, Cook County), (Illinois)
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Quartz
from Cave-in-Rock District, Hardin County, Illinois
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Sphalerite
from Denton Mine, Harris Creek District, Hardin County, Illinois
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Sphalerite
from Cave-in-Rock District, Hardin County, Illinois
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