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Click on any image below for more information about that specimen.
Amethyst
Aragonite
Barite
Calcite
Celestite
Chert
Copper
Copper
Dolomite
Fluorite
Fluorite
Galena
Galena
Goethite
Gypsum
Hematite
Hematite
Marcasite
Millerite
Millerite
Muscovite
Orthoclase
Pyrite
Pyrite
Quartz
Quartz
Selenite
Siderite
Sphalerite
Sphalerite
Strontianite
Witherite
©2002-2003 Illinois State Museum Society. Last updated 8/23/2003.
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