Stibioclaudetite

Formation: xx
Location: Borgofranco Mines, Biò, Borgofranco d'Ivrea, Canavese District, Torino Province, Piedmont, Italy
Size: KS 2

Sulphur

Formation: xx
Location: Alum Mine, Esmeralda Co., Nevada, United States
Size: KS 2

Sulphur

Formation: xx
Location: Alum Mine, Esmeralda Co., Nevada, United States
Size: KS 2

Sulphur

Formation: xx
Location: Alum Mine, Esmeralda Co., Nevada, United States
Size: KS 4

Sulphur

Formation: xx
Location: Grube Clara, Oberwolfach, Schwarzwald, Germany
Size: KS 2

Sussexite

Formation: rough
Location: Sterling Hill Mine, Ogdensburg, New Jersey, United States
Size: KS 4

Swinefordite

Formation: (xx)
Location: Foote Lithium Co. Mine, Kings Mountain District, Cleveland Co., North Carolina, United States
Size: micro-mount

Szenicsite

Formation: (xx)
Location: Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile
Size: micro-mount
(Type locality)

Takovite

Formation: (xx)
Location: Otter Shoot Nickel Mine, Juan complex, Kambalda Nickel mines, Kambalda, Coolgardie Shire, Western Australia, Australia
Size: micro-mount

Tamaite

Formation: (xx)
Location: Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Size: KS 2

Tamaite

Formation: (xx)
Location: Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Size: KS 2

Tamaite

Formation: (xx)
Location: Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Size: micro-mount

Tapiaite

Formation: xx
Location: Jote Mine, Pampa Larga, Atacama, Chile
Size: KS 2
(Type locality)

Tavagnascoite

Formation: xx
Location: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Size: KS 2

Tavagnascoite

Formation: xx
Location: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Size: KS 2

Tavagnascoite

Formation: xx
Location: Espérance tunnel, Tavagnasco Mines, Tavagnasco, Canavese District, Metropolitan City of Turin, Piedmonte, Italy
Size: KS 2
(Type locality)

Tegengrenite

Formation: (xx)
Location: Jakobsberg, Nordmark, Värmland, Sweden
Size: KS 2
(Type locality)

Telluronevskite

Formation: (xx)
Location: Poruba pod Vihorlatom, Michalovce Co., Košice Region, Slovakia (Slovak Republic)
Size: KS 2
(Type locality)

Ternesite

Formation: (xx)
Location: Caspar Quarry, Bellerberg, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Size: KS 2
(Type locality)

Ternesite

Formation: (xx)
Location: Caspar Quarry, Bellerberg, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Size: KS 2
(Type locality)

Ternesite

Formation: (xx)
Location: Caspar Quarry, Bellerberg, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Size: KS 2
(Type locality)

Thalliumpharmacosiderite

Formation: xx
Location: Roszdan, Kavadarci, Roszdan, Macedonia, The Former Yugoslav Republic of
Size: KS 4
(Type locality)

Tienshanite

Formation: rough
Location: Darai-Pioz Glacier, Alai Range, Tien Shan Mtn, Region of Republican Subordination, Tajikistan
Size: KS 2
(Type locality)

Timroseite

Formation: xx
Location: Bird Nest drift, Otto Mountain, Baker, Soda Mts, Silver Lake District, San Bernardino Co., California, United States
Size: KS 2
(Type locality)

(Sold)

Timroseite

Formation: xx
Location: Bird Nest drift, Otto Mountain, Baker, Soda Mts, Silver Lake District, San Bernardino Co., California, United States
Size: KS 2
(Type locality)

Timroseite

Formation: xx
Location: Bird Nest drift, Otto Mountain, Baker, Soda Mts, Silver Lake District, San Bernardino Co., California, United States
Size: micro-mount
(Type locality)

(Sold)

Tinaksite

Formation: (xx)
Location: Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Russian Federation
Size: KS 4
(Type locality)

Titanite

Formation: xx
Location: Heftetjern Pegmatit, Tördal, Telemark, Norway
Size: KS 4

Titanite

Formation: xx
Location: Heftetjern Pegmatit, Tördal, Telemark, Norway
Size: KS 2

Titanite

Formation: xx
Location: Heftetjern Pegmatit, Tördal, Telemark, Norway
Size: KS 2

Tokyoite

Formation: rough
Location: Valletta Mine, Vallone della Valletta, Canosio, Maira Valley, Cuneo Province, Piedmont, Italy
Size: KS 2

Tugtupite

Formation: rough
Location: Shkatulka pegmatite, Mt. Alluaiv, Lovozero, Kola, Russian Federation
Size: KS 2

Tugtupite

Formation: rough
Location: Shkatulka pegmatite, Mt. Alluaiv, Lovozero, Kola, Russian Federation
Size: KS 4

Tugtupite

Formation: rough
Location: Shkatulka pegmatite, Mt. Alluaiv, Lovozero, Kola, Russian Federation
Size: KS 4

Tungstibite

Formation: xx
Location: Clara Mine, Oberwohlfach, Schwarzwald, Germany
Size: KS 2
(Type locality)

Tungstibite

Formation: xx
Location: Clara Mine, Oberwohlfach, Schwarzwald, Germany
Size: KS 4
(Type locality)

Tungstibite

Formation: xx
Location: Clara Mine, Oberwohlfach, Schwarzwald, Germany
Size: KS 4
(Type locality)

Tvedalite

Formation: xx
Location: Johs Nilsens Quarry, Tvedalen, Larvik, Vestfold, Norway
Size: KS 4

Uchucchacuaite

Formation: xx
Location: Uchucchacua Mine, Oyon Province, Lima, Peru
Size: micro-mount
(Type locality)

Ullmannite

Formation: rough
Location: Schöne Aussicht Mine, Burbach, Siegerland, North Rhine-Westphalia, Germany
Size: micro-mount

Ullmannite

Formation: rough
Location: Schöne Aussicht Mine, Burbach, Siegerland, North Rhine-Westphalia, Germany
Size: micro-mount

Umbrianite

Formation: (xx)
Location: Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Size: micro-mount
(Type locality)

Uranopolycrase

Formation: xx
Location: Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
Size: KS 2
(Type locality)

Uranopolycrase

Formation: xx
Location: Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
Size: KS 4
(Type locality)

Ursilite

Formation: rough
Location: Darai-Pioz Glacier, Alai Range, Tien Shan Mtn, Region of Republican Subordination, Tajikistan
Size: micro-mount

Vanadinite

Formation: xx
Location: Yuma Mine, Saguaro National Monument, Amole District, Tucson Mts, Pima Co., Arizona, United States
Size: KS 4

Vanadinite

Formation: xx
Location: Yuma Mine, Saguaro National Monument, Amole District, Tucson Mts, Pima Co., Arizona, United States
Size: KS 4

Varlamoffite

Formation: rough
Location: Gunheath China Clay Pit, tenalees, Treverbyn, St Austell District, Cornwall, England, United Kingdom
Size: KS 4

Varlamoffite

Formation: rough
Location: Gunheath China Clay Pit, tenalees, Treverbyn, St Austell District, Cornwall, England, United Kingdom
Size: KS 2

Vauquelinite

Formation: xx
Location: Callenberg North open cut, Callenberg, Glauchau, Saxony, Germany
Size: KS 4