Minerals from South Dakota

Almandine Garnet from Custer County, South Dakota

Almandine Garnet and Schorl from Custer Pegmatite District, Custer County, South Dakota

Aragonite from Badlands, South Dakota

Autunite from Black Hills, South Dakota

Bacculite from Fort Thomson, Missouri River, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite and Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Badlands, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, near Elm Springs, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite with Calcite from Elk Creek, Meade County, South Dakota

Barite with Calcite from Elk Creek, Meade County, South Dakota

Barite with Calcite from Elk Creek, Meade County, South Dakota

Beryl from Keystone Mining District, Black Hills, Pennington County, South Dakota

Bindheimite from Silver City, Pennington County, South Dakota

Calcite from Elk Creek, Meade County, South Dakota

Calcite from Elk Creek, South Dakota

Calcite from Black Hills, South Dakota

Calcite from Elk Creek, Meade County, South Dakota

Calcite from Badlands, South Dakota

Calcite from Black Hills, South Dakota

Calcite from Owanka, Pennington County, South Dakota

Calcite from Elk Creek, Meade County, South Dakota

Calcite (with phantom-growth zoning) from Meade County, South Dakota

Calcite on Calcite from Badlands, South Dakota

Calcite var. Septarian Nodule from South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Washabaugh County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with Sand Inclusions (Sand Calcite) from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with Sand Inclusions (Sand Calcite) from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Carnotite from Carnotite Cave, Edgemont, Fall River County, South Dakota

Cassiterite from Freestone, Black Hills, South Dakota

Cassiterite in Muscovite from White Cap Mine, Keystone District, Pennington County, South Dakota

Columbite-(Fe) from Etta Mine, Keystone District, Pennington County, South Dakota

Columbite-(Fe) in Albite from Etta Mine, Keystone District, Pennington County, South Dakota

Columbite-Fe from Keystone District, Pennington County, South Dakota

Columbite-Tantalite from Keystone Mine, Pennington County, South Dakota

Diploscaphites Fossil from Late Cretaceous Formation, Fox Hills, South Dakota

Discoscaphites Conradi Fossil from Fox Hills, South Dakota

Discoscaphites Fossil from Fox Hills, South Dakota

Elbaite var. Watermelon Tourmaline from Shamrock Mine, Black Hills, South Dakota

Elbaite-Schorl Tourmaline from Ingersoll Mine, Keystone District, Pennington County, South Dakota

Fluorapatite from King Lithia Mine, Keystone District, Pennington County, South Dakota

Fossilized Bacculite from Black Hills, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Discoscaphites Conradi from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nebrascensis from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nebrascensis from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nebrascensis from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nebrascensis from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nicoletti from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nicoletti from Fox Hills Formation, Pennington County, South Dakota

Fossilized Hoploscaphites Nodosus from Pierre Formation, Dawson County, South Dakota

Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Gold from Homestake Mine, near Lead, Lawrence County, South Dakota

Gold from Homestake Mine, Lead District, Lawrence County, South Dakota

Gold in Quartz from Homestake Mine, near Lead, Lawrence County, South Dakota

Griphite from Everly pegmatite (Riverton Lode), Harney City, Pennington County, South Dakota (Type Locality for Griphite)

Gypsum var. Selenite from Olivet, Hutchinson County, South Dakota

Gypsum var. Selenite from Hutchinson County, South Dakota

Gypsum var. Selenite from Hutchinson County, South Dakota

Gypsum var. Selenite Twins from Lemmon, Perkins County, South Dakota

Hoploscaphites Cheyennensis and Sphenodiscus Lenticularis Fossil from Fox Hills Formation, Pennington County, South Dakota

Hoploscaphites Fossil from Fox Hills, South Dakota

Hoploscaphites Fossil from Fox Hills, South Dakota

Hoploscaphites Fossil from Fox Hills Formation, Pennington County, South Dakota

Hoploscaphites Nicoletti Fossil from Fox Hills, South Dakota

Hureaulite with Jahnsite from Tip Top Mine, Custer District, Custer County, South Dakota

Ixiolite from Helen Beryl Mine, Custer District, Custer County, South Dakota

Jahnsite-(CaMnMg) from Tip Top Mine, Custer District, Custer County, South Dakota (Type Locality for Jahnsite-(CaMnMg))

Jarosite from Richmond-Sitting Bull Mine, Galena District, Lawrence County, South Dakota

Jarosite from Richmond-Sitting Bull Mine, Galena District, Lawrence County, South Dakota

Jarosite (3 pieces) from Richmond-Sitting Bull Mine, Galena District, Lawrence County, South Dakota

Lepidolite-2M from Black Hills, South Dakota

Leucophosphite and Hureaulite from Tip Top Mine, Custer District, Custer County, South Dakota

Löllingite from Ingersoll Mine, Keystone District, Pennington County, South Dakota

Löllingite var. Leucopyrite from Keystone District, Pennington County, South Dakota

Löllingite with Elbaite Tourmaline in Albite from Ingersoll Mine, Keystone District, Pennington County, South Dakota

Montgomeryite and Whitlockite from Tip Top Mine, Custer District, Custer County, South Dakota

Muscovite from South Dakota

Mushistonite var. Cuprocassiterite from Etta Tin Mine, Keystone District, Pennington County, South Dakota

Nepheline Syenite from 1 mile NE of Etta Mine, Keystone District, Pennington County, South Dakota

Phosphosiderite, Strengite, Barbosalite from Bull Moose Mine, Custer County, South Dakota

Purpurite from Ross Mine, Custer County, South Dakota

Pyrite from Orman Dam, Belle Fourche, Butte County, South Dakota

Pyrite from Orman Dam, Belle Fourche, Butte County, South Dakota

Quartz var. Petrified Wood from Black Hills, South Dakota

Quartz var. Rose from Custer District, Black Hills, South Dakota

Quartz var. Rose from Black Hills, South Dakota

Quartz var. Rose from Badlands, South Dakota

Quartz var. Rose from Keystone District, Pennington County, South Dakota

Quartz var. Smoky from Black Hills, South Dakota

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Rockbridgeite from Tip Top Mine, Custer District, Custer County, South Dakota

Rockbridgeite from Tip Top Mine, Custer District, Custer County, South Dakota

Rockbridgeite from Bull Moose Mine, Custer District, Custer County, South Dakota

Rockbridgeite and Hureaulite from Tip Top Mine, Custer District, Custer County, South Dakota

Rockbridgeite, Hureaulite, Jahnsite-(CaMnMg) from Tip Top Mine, Custer District, Custer County, South Dakota (Type Locality for Jahnsite-(CaMnMg))

Scaphites Cheyennensis Fossil from Late Cretaceous Formation, Fox Hills, South Dakota

Schorl Tourmaline from Custer County, South Dakota

Siderophyllite-Polylithionite var. Zinnwaldite from Keystone District, Pennington County, South Dakota

Sincosite with Minyulite from Ross Hannibal Mine, Lawrence County, South Dakota

Sinkankasite from Barker Mine, Pennington County, South Dakota

Sinkankasite from Barker-Ferguson Mine, near Keystone, South Dakota (Type Locality for Sinkankasite)

Sinkankasite from Barker-Ferguson Mine, Keystone District, Pennington County, South Dakota (Type Locality for Sinkankasite)