Minerals from Western States, USA

Schorl Tourmaline from near Anza, Cahuilla District, Riverside County, California

Schorl Tourmaline with Muscovite from Mount Thompson Mine, Plumas County, California

Schorl Tourmaline with Quartz, Muscovite, Fluorapatite from Clarks Valley, east of Minkler, Fresno County, California

Schorl Tourmaline with Spessartine Garnet from Pala District, San Diego County, California

Schuetteite from Sulphur Bank Mine, Lake County, California

Scorzalite on Quartz from White Mountains, Mono County, California

Selenium (native) with Vanadinite, Descloizite and Pyrite from Gold Quarry Mine, 5050' bench, southeast area, Eureka County, Nevada

Selenium, Smithsonite, Pyrite from Darwin Mines, Inyo County, California

Sericite pseudomorphs after Andalusite from Quartz Creek, King County, Washington

Shortite from FMC Westvaco Mine, Green River Formation, west of Green River, Sweetwater County, Wyoming (Type Locality for Shortite)

Siderite from Estacada, Oregon

Siderite from Gilman, Colorado

Siderite from Estacada, Clackamas County, Oregon

Siderite from Pioche District, Lincoln County, Nevada

Siderite on Aragonite from Estacada, Clackamas County, Oregon

Siderite var. Sphaerosiderite from Spokane, Washington

Siderite var. Sphaerosiderite from Clackamas River, Estacada, Oregon

Siderite var. Sphaerosiderite with Hyalite Opal from (Dana locality at Division St. and Sprague Ave.) Spokane, Spokane County, Washington

Silhydrite from 10 km of relocated Trinity Center, Bonanza King Quadrangle, Trinity County, California (Type Locality for Silhydrite)

Silicon (Synthetic) from Man-made

Silicon (Synthetic) from Man-made

Silicon (synthetic) from California

Silver and Chalcopyrite from Sucia Island Mine, Sucia Island, San Juan County, Washington

Silver and Chrysocolla from Darwin District, Inyo County, California

Silver on Amethystine Quartz from Bulldog Mine, Creede, Mineral County, Colorado

Silver Ore with Chalcopyrite from Comstock Lode, Virginia City, Storey County, Nevada

Sinkankasite from Barker Mine, Pennington County, South Dakota

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

Smithsonite from Cerro Gordo, Inyo Mountains, Inyo County, California

Spangolite from Table Mountain District, Stillwater Range, Churchill County, Nevada

Spangolite and Brochantite from Lovelock Mine, Bolivia, Table Mountain District, Churchill County, Nevada

Spessartine Garnet from Ruby Mountain, Nathrop, Chaffee County, Colorado

Spessartine Garnet from Little Three Mine, Ramona District, San Diego County, California

Spessartine Garnet from Little Three Mine, Ramona District, San Diego County, California

Spessartine Garnet in Albite from Little Three Mine, Ramona District, San Diego County, California

Spessartine Garnet on Albite from Little Three Mine, Ramona District, San Diego County, California

Sphalerite from Bachelor Mine, Creede District, Mineral County, Colorado

Sphalerite from Black Jack Mine, Santa Catalina Island, Los Angeles County, California

Sphalerite from Lytle Creek, base of Telegraph Peak, San Bernardino County, California

Sphalerite from Crestmore Quarry, 900' Level, Riverside County, California

Sphalerite and Galena on Quartz from Monarch Mine, Creede, Colorado

Sphalerite var. Marmatite from Eagle Mine, Gilman, Colorado

Sphalerite with Chalcopyrite from Commodore Mine, Creede, Colorado

Spinel from Hawthorne, Mineral County, Nevada

Spinel from Dry Gulch, 3.2 km south of Helena, Lewis and Clack County, Montana

Spinel var. Ceylonite from Crestmore Quarry, Riverside County, California

Spodumene from Stewart Mine, Pala District, San Diego County, California

Spodumene var. Kunzite from Pala, California

Spodumene var. Kunzite from Pala, San Diego County, California

Spodumene var. Kunzite from Vanderberg Mine, Pala District, California

Spodumene var. Kunzite from Vanderburg Mine, Pala District, San Diego County, California

Spodumene var. Kunzite from Hiriart Hill, Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, Hiriart Hill,, San Diego County, California

Spodumene var. Kunzite from Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Stewart Mine, Pala District, Queen Mountain, San Diego County, California

Spodumene var. Kunzite from Pala Chief Mine, Pala District, San Diego County, California

Spodumene var. Kunzite from Pala Chief Mine, Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Katerina Mine, Hiriart Hill, San Diego County, California (Type Locality for Kunzite)

Spodumene var. Kunzite from Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, San Diego County, California

Spodumene var. Kunzite from Pala District, San Diego County, California

Spodumene var. Triphane from San Pedro Mine, Pala District, San Diego County, California

Spodumene var. Triphane from San Pedro Mine, Pala District, San Diego County, California

Stellerite from Ritter, Grant County, Oregon

Stellerite from Middle Fork, John Day River, Grant County, Oregon

Stephanite on Pyrite with Siderite from Grand Prize Mine, Tuscarora, Elko County, Nevada

Stibiotantalite from Himalaya Mine, Mesa Grande District, San Diego County, California

Stibnite from Fairbanks, Alaska

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Ambrose Mine, Statyton District, near Hollister, san Benito County, California

Stibnite from White Caps Mine, Manhattan District, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Carlin trend, Eureka County, Nevada

Stibnite from White Caps Mine, Manhattan District, Nye County, Nevada

Stibnite from White Cap Mine, Manhattan, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite from Manhattan District, Nye County, Nevada

Stibnite and Pyrite from Manhattan District, Nye County, Nevada

Stibnite and Quartz from Antimony Peak, San Benito County, California

Stibnite in Quartz from President Mine, Lane County, Oregon

Stibnite in Quartz from Trinity Mountains, Pershing County, Nevada

Stibnite with Bindheimite var. Stibioferrite from Santa Clara County, California

Stibnite with Calcite from Manhattan, Nye County, Nevada

Stibnite with Quartz from Manhattan District, Nye County, Nevada

Stibnite with Realgar from Red Devil Mine, Kuskokwim, Alaska

Stibnite with Realgar from Red Devil Mine, Kuskokwim, Alaska

Stilbite from Moffat Co., Colorado

Stilbite from Skookumchuck Dam, Tenino, Washington

Stilbite from Skookumchuck Dam, Tenino, Washington

Stilbite from near Sun Valley, Idaho

Stilbite from Two Hug Quarry, Benton County, Oregon

Stilbite from Forest Service Road 88 road cut, near junction of Lewis River and Poison Creek, Skamania County, Washington

Stilbite from Mount Adams, Skamania County, Washington

Stilbite from Yacolt, Clark County, Washington

Stilbite from South side of Calapooya River, near Dollar, Linn County, Oregon

Stilbite from Skookumchuck Dam, Tenino, Thurston County, Washington

Stilbite from Poison Creek, Skamania County, Washington

Stilbite on Heulandite from Skookumchuck Dam, Tenino, Thurston County, Washington

Stilbite, Apophyllite, Chabazite, Nontronite from Lambert Quarry, Kings Valley, Oregon

Stilbite-Ca from Kosmos, Lewis County, Washington

Stilbite-Ca over Laumontite from Pine Creek Mine, Bishop District, Inyo County, California

Stolzite pseudomorphs after Scheelite from Darwin District, Inyo County, California

Stolzite pseudomorphs after Scheelite from Darwin District, Inyo County, California

Stolzite pseudomorphs after Scheelite from Darwin District, Inyo County, California

Stolzite pseudomorphs after Scheelite from Darwin District, Inyo County, California

Strontiojoaquinite from Mina Numero Uno, New Idria District, San Benito County, California (Type Locality for Strontiojoaquinite)

Sulfide-ore Drill Core from U.S. Steel Mineral Material Division, Manhattan Mine, Lyon County, Nevada

Sulfur from Storey County, Nevada

Sulfur from Steamboat Springs, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Crescent Valley, Eureka County, Nevada

Sulfur from Steamboat Springs District, Washoe County, Nevada

Sulfur from Hot Springs Point Sulfur Mine, east of Crescent Valley, Eureka County, Nevada

Sulfur from Gardnerville District, Douglas County, Nevada

Sulfur from Alum Mine, 41 km WSW of Tonopah, Esmeralda County, Nevada

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Sulphohalite and Halite from Searles Lake, east of Trona, San Bernardino County, California (Type Locality for Sulphohalite)

Svanbergite with Scorzalite from Champion Mine, 6 km WSW of White Mountain Peak, White Mountains, Mono County, California

Sylvanite from Cripple Creek District, Teller County, Colorado

Sylvite from Salton Sea, Imperial County, California

Synthetic Red Beryl from Man-made

Talc pseudomorphs after Forsterite from Mackinaw Mine, Monte Cristo, Snohomish County, Washington

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

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