a Minerals

Sulfur over Aragonite from Cianciana, Agrigento Province, Sicily, Italy

Sulfur var. Selenian Arsensulfurite from Isola Vulcano, Aeolian Islands, north of Sicily, Italy

Sulfur with Aragonite from Gigenti, Sicily, Italy

Sulfur with Aragonite from Cianciana, Sicily, Italy

Sulfur with Aragonite from Agrigento District (Girgenti), Sicily, Italy

Sulfur with Aragonite from Agrigento District (Girgenti), Sicily, Italy

Sulfur with Aragonite from Miniera Racalmuto, Agrigento, Sicily, Italy

Sulfur with Bitumen coating from Miniera di Cozzo Disi, Casteltermini, Agrigento, Sicily, Italy

Sulfur, Orpiment, Realgar on Calcite from Shimen, Hunan, China

Sulfur, Orpiment, Realgar on Calcite from Jiepaiyu Mine, Shimen, Hunan, China

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)

Sussexite and Zincite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Sussexite and Zincite)

Sussexite on Franklinite and Willemite from Franklin, Sussex County, New Jersey (Type Locality for Sussexite and Franklinite)

Sussexite, Franklinite, Willemite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Sussexite and Franklinite)

Sussexite, Franklinite, Zincite, Calcite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Sussexite and Zincite)

Sussexite, Willemite, Franklinite, Diopside var. Schefferite from Franklin, Sussex County, New Jersey (Type Locality for Sussexite and Franklinite)

Svanbergite (or Magnesite) from Bahia, Brazil

Svanbergite and Topaz on Uvite Tourmaline from Brumado District, Serra das Éguas, Bahia, Brazil

Svanbergite on Uvite Tourmaline from Brumado District, Serra das Éguas, Bahia, Brazil

Svanbergite with Almandine and Goethite from North side of Clear Creek, Idaho Springs District, Clear Creek County, Colorado

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

Svanbergite, Lazulite, Kyanite from Horrsjöberg, Torsby, Värmland, Sweden (Type Locality for Svanbergite)

Svanbergite, Rutile, Scorzalite, Lazulite, Kyanite from Horrsjöberg, Värmland, Sweden (Type Locality for Svanbergite)

Sylvanite from Cripple Creek District, Teller County, Colorado

Sylvanite from Cripple Creek Mining District, Teller County, Colorado

Sylvanite from Cripple Creek Mining District, Teller County, Colorado

Sylvanite from West Gold Mine, Lamartine District, Clear Creek County, Colorado

Sylvanite from Nagyág, Hunedoara, Romania

Sylvanite and Tellurium from Emperor Gold Mine, Vatukoula, Viti Levu, Fiji Islands

Sylvanite on Quartz from Nagyág, Hunedoara, Romania

Sylvanite on Quartz from Cripple Creek, Teller County, Colorado

Sylvanite, Pyrite from Silver City, Grant County, New Mexico

Sylvite and Halite (Sylvinite) from Mulhouse, Haut-Rhin, Alsace, France

Synchysite-(Y) (formerly Doverite) in Magnetite from Scrub Oaks Mine, Mine Hill, Dover, Morris County, New Jersey (Type Locality for Synchysite-(Y))

Synthetic Alexandrite (9 faceted gemstones totaling 2.75 carats) from Russia

Synthetic Amethyst (3 faceted gemstones totaling 5.83 carats) from India

Synthetic Blue Zircon (11 faceted gemstones totaling 3 carats) from India

Synthetic Emerald (4 faceted gemstones totaling 0.96 carats) from India

Synthetic Mica from Man-made

Synthetic Quartz (Reichenstein-Grieserntal Law twinned crystals) from Man-made

Synthetic Ruby (5 faceted gemstones totaling 1.56 carats) from India

Synthetic Sapphire (5 faceted gemstones totaling 1.34 carats) from India

Synthetic Yellow Topaz (13 faceted gemstones totaling 3.63 carats) from Brazil

Szaibelyite from Baita, Bihor, Romania (Type Locality for Szaibelyite)

Szaibelyite from Baita District, Nucet, Romania (Type Locality for Szaibelyite)

Szaibelyite from Baita, Bihor, Romania (Type Locality for Szaibelyite)

Szenicsite, Powellite and Powellite pseudomorphs after Molybdenite from Jardinera #1 Mine, Tierra Amarilla, Inca de Oro, Chile (Type Locality for Szenicsite)

Tacharanite from Espalion, Aveyron, France

Tacharanite on Phillipsite from Espalion, Aveyron, France

Tacharanite on Phillipsite from Puech de Vermus, Espalion, Aveyron, Ariège, Midi-Pyrenées, France

Talc from Chester, Windsor County, Vermont

Talc from Pilot, Cecil County, Maryland

Talc from Cyprus Mine, south of Ennis, Madison County, Montana

Talc from old talc mine near Pilottown, Maryland

Talc from Scott's Quarry, West Nottingham Township, Chester County, Pennsylvania

Talc from Minas Gerais, Brazil

Talc from Bristol, Hartford County, Connecticut

Talc from Belmont Farm, Fowler, St. Lawrence County, New York

Talc from Denver, Denver County, Colorado

Talc from Smithfield, Providence County, Rhode Island

Talc from Manton Avenue, Providence, Providence County, Rhode Island

Talc from Johnson, Providence County, Rhode Island

Talc from Smithfield, Providence County, Rhode Island

Talc from Argonaut Mine, Ludlow, Windsor County, Vermont

Talc from Rio Tinto Quarry, Ludlow, Windsor County, Vermont

Talc from Mariana, Minas Gerais, Brazil

Talc pseudomorphs after Cordierite from Richmond Soapstone Quarry, Cheshire County, New Hampshire

Talc pseudomorphs after Cordierite from Richmond Soapstone Quarry, Cheshire County, New Hampshire

Talc pseudomorphs after Cordierite from Richmond Soapstone Quarry, Cheshire County, New Hampshire

Talc pseudomorphs after Cordierite from Richmond Soapstone Quarry, Cheshire County, New Hampshire

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

Talc pseudomorphs after Quartz from Göpfersgrün, Fichtelgebirge, Franken, Bayern, Germany

Talc var. Steatite from Pilot, Cecil County, Maryland

Talc with Pyrite from Carleton Mine, Chester, Windsor County, Vermont

Talc, Actinolite, Magnetite from Carlton Quarry, Chester, Windsor County, Vermont

Talmessite (cobalt-rich) with Roselite-beta from Aghbar Mine, 10 km east of Bou Azzer Mine, Zagora, Drâa-Tafilalet, Morocco

Talnakhite in Chalcopyrite-Cubanite from Talnakh Cu-Ni Deposit, Noril'sk, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Russia (Type Locality for Talnakhite)

Taneyamalite from Taneyama Mine, Toyo, Kyushu, Japan (Type Locality for Taneyamalite)

Tangeite from Tange Gorge, Tyuya Muyun, Kyrgyzstan (Type Locality for Tangeite)

Tangeite with Azurite from Ridenaur Mine, Coconino County, Arizona

Tankite from Krageroe, Norway

Tantalite from Greenland

Tantalite from Sao Pedro Mine, Malacacheta District, Minas Gerais, Brazil

Tantalite from Ankole, Mbarara District, Uganda

Tantalite from Ankole, Mbarara District, Uganda

Tantalite from (Bentley Prospect?), Coosa County, Alabama

Tantalite from Harkasaari, Finland

Tantalite from Neu Schwaben Farm, south of Karibib, Namibia

Tantalite (Twin Crystals) from Mendes Pimental, Minas Gerais, Brazil

Tantalite on Albite from Skardu District, Gilgit-Baltistan, Pakistan

Tantalite-(Mn) from Nuristan Province, Afghanistan

Tantalite-(Mn) from Alto Ligonha pegmatite, Zambezia Province, Mozambique

Tantalite-(Mn) from Equador City, Rio Grande del Norte, Brazil

Tantalite-(Mn) from Nuristan Province, Afghanistan

Tantalite-(Mn) from Black Mountain, Rumford, Oxford County, Maine

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole Pegmatite Field, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Parelhas, Borborema, Rio Grande do Norte, Brazil

Tantalite-(Mn) from Ankole, Mbarara District, Uganda

Tantalite-(Mn) from Nuristan, Afghanistan

Tantalite-(Mn) from Shengus, Gilgit-Skardu Road, Gilgit-Baltistan, Pakistan

Tantalite-(Mn) (formerly Manganotantalite) on Quartz from Brumado District, Serra das Éguas, Bahia, Brazil

Tantalite-(Mn) in Quartz from Nuristan Province, Afghanistan

Tantalite-(Mn) on Albite var. cleavelandite from Pech, Nuristan Province, Afghanistan

Tantalite-(Mn) with Spessartine Garnet in Albite from Rutherford Mine, Amelia Courthouse, Amelia County, Virginia

Tanteuxenite-(Y), var. Delorenzite from Piano dei Lavonchi, Val Vigezzo, Piedmont, Italy (Type Locality for Delorenzite)

Tanzanite (= blue gem variety of the mineral Zoisite) from Karo Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue gem variety of the mineral Zoisite) four partial crystals from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet color change gem variety of Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet gem variety of Zoisite) from Karo Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite (blue-violet gem variety of Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Karo Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue gem variety of the mineral Zoisite) in Calcite from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

Tanzanite Crystal (blue-violet gem variety of Zoisite) from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)