KeywordsMines and mineral resources -- Colorado -- Eagle County
Pyrites -- Colorado -- Eagle County
Sphalerite -- Colorado -- Eagle County
Marcasite -- Colorado -- Eagle County
Gilman Mining District (Colo.)
Eagle Mine (Colo.)
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AbstractSeveral large clusters of intergrown (former) marcasite crystals that have been replaced by pyrite--on pyrite, on sphalerite. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
For more information about the Minerals of Gilman, Colorado and the collection, see: http://libguides.mines.edu/GeologyMuseum/digitalcollectionsGilman.