Fluorapatite, chalcopyrite, and sphalerite on pyrite

Abstract

Squatty, glassy prisms of fluorapatite scattered in among chalcopyrite and sphalerite crystals. 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.