Minerals from Rocky Mountain States, USA

Covellite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from BerkeleyPit, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Leonard Mine, 3800' Level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite from Butte District, Summit Valley, Silver Bow County, Montana

Covellite and Pyrite from Anaconda Copper Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite and Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite and Pyrite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite and Pyrite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite and Pyrite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite and Pyrite from Reynolds Tunnel, Summitville District, Rio Grande County, Colorado

Covellite and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite interlayered with Chalcopyrite from Summitville District, Rio Grande County, Colorado

Covellite on Quartz and Pyrite from Summitville District, Rio Grande County, Colorado

Covellite with Chalcopyrite from Summitville District, Rio Grande County, Colorado

Covellite with Chalcopyrite from Summitville District, Rio Grande County, Colorado

Covellite with minor Pyrite from Leonard Mine, 3800' Level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3800' Level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3600' level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3600' level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3600' level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3600' level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, 3600' level, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Reynolds Tunnel, Summitville, Rio Grande County, Colorado

Covellite with Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Covellite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Crandallite and Wardite from Clay Canyon, Fairfield, Utah County, Utah (Type Locality for Wardite)

Crandallite and Wardite from Clay Canyon, Fairfield, Utah County, Utah (Type Locality for Wardite)

Creedite from Henderson Mine, P87 Drift, 7210' Level, Clear Creek County, Colorado

Creedite from Henderson Mine, Clear Creek County, Colorado

Cuprite with Malachite from Mackay District, Custer County, Idaho

Cyanotrichite from Leadore District, Lemhi County, Idaho

Cyanotrichite with Azurite from Peacock Mine, Leadore, Idaho

Diamond (0.43 carat pale brown elongated crystal) from Kelsey Lake Diamond Mine, Stateline District, Larimer County, Colorado

Diamond (0.44 carat pale brown complex crystal) from Kelsey Lake Diamond Mine, Stateline District, Larimer County, Colorado

Diamond (0.75 carat pale pink-brown complex crystal) from Kelsey Lake Diamond Mine, Stateline District, Larimer County, Colorado

Diamond (macle, twinned crystal) from Kelsey Lake Diamond Mine, Stateline District, Larimer County, Colorado

Dickite from National Belle Mine, Red Mountain Pass, Ouray County, Colorado

Dickthomssenite from Vanadium Queen Mine, San Juan County, Utah

Digenite from Eagle Mine, Gilman, eagle County, Colorado

Digenite and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Dolomite from Sherman Tunnel, Leadville District, Lake County, Colorado

Dolomite and Pyrite from Day Mine, east of Leadville, Upper Iowa Gulch, Lake County, Colorado

Duftite with Gartrellite on Quartz from Centennial Eureka Mine, Tintic District, Juab County, Utah

Durangite from Thomas Range, Juab County, Utah

Durangite from Thomas Range, Juab County, Utah

Durangite with Cassiterite from Thomas Range, Juab County, Utah

Durangite with Hematite from Thomas Range, Juab County, Utah

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Red Mountain, San Juan County, Colorado

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite (with Tennantite?) from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Leonard Mine No. 1, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite and Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Digenite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite and Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Pyrite and Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite on Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite over Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite and Quartz from Butte District, Summit Valley, Silver Bow County, Montana

Enargite with Pyrite on Quartz from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite with Quartz from Longfellow Mine, Red Mountain pass, Silverton District, San Juan County, Colorado

Enargite with Quartz from Butte District, Summit Valley, Silver Bow County, Montana

Enargite, Chalcopyrite, Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite, Malachite, Quartz, Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite, Pyrite and Quartz from Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite, Pyrite, Quartz from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite, Pyrite, Quartz from East Colusa Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Enargite, Pyrite, Quartz from East Colusa Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Wise River, Beaverhead County, Montana

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote and Chabazite from #5 Pit, Italian Mt., Taylor Park, Colorado

Epidote and Quartz from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote and Quartz from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote on Actinolite pseudomorphs after Diopside (Uralite) from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Epidote with Grossular Garnet from (Calumet Mine?), Colorado

Epidote, Calcite, Quartz from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Erythrite from Lemhi County, Idaho

Esseneite from Durham Ranch, Gillette, Sublette County, Wyoming (Type Locality for Esseneite)

Euxenite-(Y) from Sierra Madre Mountains, SW of Encampment, Carbon County, Wyoming

Ferberite from Nederland District, Boulder County, Colorado

Ferberite from Nederland District, Boulder County, Colorado