Amethyst variety of Quartz Silicon dioxide SiO2

Amethyst in the East Region No notable occurrences in database yet. Amethyst in the Front Range Region Gilpin County - Central City area Larimer County - Red Feather Lakes area Amethyst in the Northwest Region Mesa County - Amethyst Queen Mine - Nancy Hanks Mine - Unaweep Canyon Amethyst in the South Central Region Chaffee County - Mt. Antero El Paso County - Stove Mountain Fremont County - Coaldale area Mineral County - Amethyst Mine - Commodore Mine - Creede area Saguache County - Crystal Hill Teller County - Lake George area Amethyst in the Southwest Region Ouray County - Idarado Mine San Juan County - Keystone claim

A miniature of amethyst from Unaweep Canyon, Mesa Co. The picture has a reddish cast that the specimen does not have. Measures 5 x 3 cm. Photo courtesy of Dave Bunk Minerals. A nice cluster of amethyst crystals from Coaldale, an uncommon locality in Fremont Co. Measures 3.5 x 2.5 x 2.5 cm. Photo courtesy of Dave Bunk Minerals. Amethyst from the Amethyst Fault System, P Vein, Creede. Galena crystals are growing in corroded galena crystal casts. Also present (on the back side) are some sphalerite crystals with chalcopyrite associated. Measures 14 x 6 x 5.5cm. Photo courtesy of Kevin Conroy Minerals.

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