Epidote Hydrous calcium aluminum iron silicate Ca2(Al,Fe3+)3Si3O12(OH)

Epidote in the East Region No notable occurrences in database yet. Epidote in the Front Range Region Jefferson County - Genesee Mountain Dike Epidote in the Northwest Region No notable occurrences in database yet. Epidote in the South Central Region Chaffee County - Calumet Mine - Monarch area - Sedalia Mine El Paso County - Crystal Park Lake County - Leadville area Park County - Elk Creek area - Wilkerson Pass East area - Wilkerson Pass West area Epidote in the Southwest Region Gunnison County - North Italian Mountain - Yule Marble Quarry Ouray County - Belle of the West Mine - Ouray County mines

Lustrous dark green epidote crystals to 7 mm covering two sides of a plate. Minor white quartz crystals. From the Calumet Mine, Turret District, Chaffee County. Measures 7 x 7 x 5 cm. Photo courtesy of © John Betts - Fine Minerals. Dark green epidote crystals on a large rock. From the Calumet Mine in Chaffee County. A great lustrous single crystal of epidote from the Calumet Mine, a classic Colorado locality. Measures 3 x 3.5 cm. Photo courtesy of Dave Bunk Minerals.

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