Casiterita
Descripción
Fotografías
En la galería de fotografías dispones de 3 fotografías de Casiterita
Formación y ambiente
Granite pegmatites and alluvial placer deposits.
Accesorio, aluvial, hidrotermal de alta temperatura, pegmatítico (granitos), post magmático, sedimentario.
Propiedades fisicas
Hábito: Normalmente la casiterita se encuentra formando cristales de hábito prismático o bipiramidal, siendo frecuente la macla en visera o pico de estaño. También a menudo masivo o granular, en formas reniformes o fibroso radiadas. (estaño leñoso).
Lustre: Adamantino
Transparencia: Transparente, Opaco
Color: Gris, verde, incoloro, negro pardusco o pardo.
Raya: Blanca pardusca
Dureza (Mohs): 6-7
Tenacidad: Frágil
Exfoliación::
- Primera exfoliación: Perfecta en [100]
- Segunda exfoliación: Perfecta en [110]
- Tercera exfoliación: Perfecta
Fractura: Irregular
Densidad: 6,8-7 g/cm3 (medida) | 7,15 g/cm3 (calculada)
Cristalografía
Sistema cristalino:Tetragonal
Clase (H-M): 2m (6) - Piramidal
Grupo espacial: P4/mnm
Parámetros de la celda: a=4,738Å c=3,118Å
Volumen de unidad de celda: V 69,99Å
Z: 2
Macla: Classic trillings
Difracción de Rayos X:| D(hkl) | Intensidad |
|---|---|
| 3,351 | 100 |
| 2,644 | 81 |
| 1,765 | 63 |
Propiedades ópticas
Tipo: Uniaxial (+)
Valores RI: nα= 2 - 2,006; nγ= 2,097 - 2,1
Máxima birrefringencia: δ = 0,097
Dispersión: Ninguna
Reflectancia:| D(hkl) | Intensidad |
|---|---|
| 470.0 | 11,1 |
| 546.0 | 10,7 |
| 589.0 | 10,6 |
| 650.0 | 10,5 |
Propiedades químicas
Fórmula: SnO2
Composición química: O: 21,23%, Sn: 78,77%,
Tests químicos
Fusibilidad: 7; Mineral tipo: Cuarzo; Punto de fusión: 1710ºC; Infusible con soplete
Formación de sublimados: Cubre el carbón con sublimado blanco.
Otros: Fragmentos depositados en HCl diluido con cinc metálico se cubren con un depósito de estaño grisáceo.
Otras propiedades
Magnetismo: No magnético
Relaciones con otros minerales
Miembro del grupo de minerales: Grupo del Rutilo
Minerales pertenecientes al Grupo del Rutilo
| Imagen | Mineral | Fórmula | Sistema | Dureza | Color | Raya | Brillo |
|---|---|---|---|---|---|---|---|
 | Argutita | GeO2 | Tetragonal | Negro grisáceo | Vítreo - adamantino | ||
| Casiterita | SnO2 | Tetragonal | 6-7 | Gris, verde, incoloro, negro pardusco o pardo. | Blanca pardusca | Adamantino |
| Paratellurita | TeO2 | Tetragonal | 1 | Blanco grisáceo | Blanco | Resinoso |
 | Pirolusita | MnO2 | Tetragonal | 2-2,5 | Gris acero, gris hierro o gris azulado | Negra | Submetálico |
 | Plattnerita | PbO2 | Tetragonal | 5-5,5 | Negro hierro, negro pardusco o negro. | Pardo oscura | Submetálico |
 | Rutilo | TiO2 | Tetragonal | 6-6,5 | Rojo sangre, amarillo pardo, rojo pardusco, amarillo, negro grisáceo, negro, pardo, azulado o violáceo. | Negro grisáceo | Adamantino |
| Stishovita | SiO2 | Tetragonal | 7,5-8 | Incoloro | Blanco | Vítreo |
| Tripuhyita | Fe3+Sb5+O4 | Tetragonal | 7 | Amarilla | Metálico plomizo |
Minerales acompañantes
| Imagen | Mineral | Fórmula | Sistema | Dureza | Color | Raya | Brillo |
|---|---|---|---|---|---|---|---|
 | Apatito | Hexagonal | 4,5-5 | Variable (incoloro, parduzco, verdoso). | Blanco | Vítreo | |
 | Arsenopirita | FeAsS | Monoclínico | 5,5-6 | Blanco a gris acerado | Negra | Metálico |
 | Bismutinita | Bi2S3 | Ortorrómbico | 2-2.5 | Blanco estaño, plata o griscáceo | Gris plomo | Metálico |
 | Ferrocolumbita | (Fe,Mn)Nb2O6 | Ortorrómbico | 6 | Negro pardusco o negro | Negra a parda | Submetálico |
| Fluorapatito | Ca2Ca3(PO4)3F | Hexagonal | 5 | Blanco | Vítreo - resinoso | |
 | Fluorita | CaF2 | Cúbico | 4 | Incoloro puro, pero dependiendo de sus impurezas puede ser blanca, verde, amarilla, anaranjada, rojiza o violácea. | Blanco | Vítreo |
 | Molibdenita | MoS2 | Hexagonal | 1-1,5 | Negro, gris plomo o gris. | Gris verdosa | Metálico |
 | Pirita | FeS2 | Cúbico | 6-6,5 | Amarillo latón | Gris, parda o negra verdosa | Metálico |
 | Pirrotina | Fe7S8 | Monoclínico | 3,5-4,5 | Bronce, marrón oscuro | Gris oscura, negra | Metálico |
 | Cuarzo | SiO2 | Trigonal | 7 | Blanco, transparente. Según variación también puede ser rosa, rojizo o negro. | Blanco | Vítreo |
 | Scheelita | Ca(WO4) | Tetragonal | 4,5-5 | Incoloro, blanco, amarillento, marrón | Blanco | Vítreo |
| Stannita | Cu2(Fe,Zn)SnS4 | Tetragonal | 3,5 | Negra | Metálico | |
 | Topacio | Al2(SiO4)(F,OH)2 | Ortorrómbico | 8 | Azul pálido, pardo amarillento, incoloro, rojo, amarillo, marrón | Blanco | Vítreo |
| Wolframita | (Fe2+)WO4 | Monoclínico | 5-5,5 | Pardo rojiza | Submetálico |
Yacimientos y localidades de interés
Localidades
- Tregarva Moor mine, St. Just, Cornwall, England - Localidad tipo.
- Trevaunance mine, St. Agnes, Cornwall, England - Localidad tipo.
- Wheal Buller, Redruth, Illogan, Cornwall, England - Localidad tipo.
- Toredal, Hordaland, Norway - Localidad tipo.
- Stavoren, near Marble Hall, Transvaal, South Africa - Localidad tipo.
- Emmaville, New South Wales, Australia
- Glen Innes, New South Wales, Australia
- Hogue's Creek, New South Wales, Australia
- Mt Bischoff, Waratah, Tasmania, Australia
- Mt Cleveland Mine, Luina, Tasmania, Australia
- Stanthorpe, Queensland, Australia
- Tingha, Elsmore, New South Wales, Australia
- Torrington, New South Wales, Australia
- Brandrücken, Kärnten, Austria
- Alasca mine, Pongo, Murillo, La Paz, Bolivia
- Aliada Mine, Colquechata Mt., Chayanta, Potosí Dept, Bolivia
- Animas mine, Chocoya, Sud-Chicas, Potosí Dept, Bolivia
- Cerro Rico Mt., Potosí, City, Potosí Dept, Bolivia
- Chacaltaya mine, Murillo, La Paz, Bolivia
- Chocaya, Animas-Chocaya, Potosí Dept, Bolivia
- Chorolque, Atocha-Quechisla, Sud Chichas, Potosí Dept, Bolivia
- Constancia mine, Tazna, Sud Chichas, Potosí Dept, Bolivia
- Huaina, Potosí Dept, Bolivia
- Huayna Potosí, Los Andes, La Paz, Bolivia
- Itos Mine, Oruro City, Oruro Dept., Bolivia
- La Paz mine, Villoca, Bolivia
- Mina Flores mine, Huanuni district, Oruro Dept., Bolivia
- Morococala mine, Santa Fe, Dalence, Oruro Dept., Bolivia
- Oruro City, Oruro Dept., Bolivia
- Poopó, Oruro Dept., Bolivia
- San José and Itos mines, Oruro Dept., Bolivia
- Siglo Veinte (XX) mine, Llallagua, Bustillo, Potosí Dept, Bolivia
- Viloco mine, Loayza, La Paz, Bolivia
- Alto da Pitora, Galiléia, Minas Gerais, Brazil
- Alto Equador, Rio Grande do Norte, Brazil
- Chapada Diamantina, Serra de Mangabeira, Bahia, Brazil
- Corrego do Urucum pegmatite, Minas Gerais, Brazil
- Cruzeiro mine, Santa Maria do Suaçui, Poaiá, Minas Gerais, Brazil
- Jacuaracu pegmatite, Lavra de Sr. Jose Pinto, Municipo de Timoteo, Jacuaracu, Minas Gerais, Brazil
- Jaguaracu Pegmatite, Jaguaracu, Minas Gerais, Brazil
- Jove Lauriano mine, Linóplis, Minas Gerais, Brazil
- Pamaró mine, Minas Gerais, Brazil
- Telrio Mine, Mendes Pimental, Minas Gerais, Brazil
- Urubu pegmatite, Araçuai, Minas Gerais, Brazil
- East Kemptville Tin Mine, East Kemptville, Yarmouth Co., Nova Scotia, Canada
- Separation Rapids, Ontario, Canada
- Hu-ya Mine, Ping Wu, Sichuan Province, China
- Ximeng, Yunnan Province, China
- Horni Slavkov, Karlovy Vary, Czech Republic
- Kank, Kutna Hora, Stredocesky kraj, Bohemia, Czech Republic
- Krupka, Krusne Hory, Vychodocesky, Czech Republic
- Novy rybnik, Pisek, Jihocesky, Czech Republic
- Policany, Kutna Hora, Czech Republic
- Schlaggenwald, Bohemia, Czech Republic
- Vernerov, Severocesky, Czech Republic
- Vezna, Zdar nad Sazavou, Maehren, Czech Republic
- Zinnwald, Bohemia, Czech Republic
- Balleswidden mine, St. Just, Cornwall, England
- Bodelva mine, St. Blazey, Cornwall, England
- Bodelva Pit., Nr. St. Blazey., Cornwall, England
- Botallack mine, Botallack, St. Just, Cornwall, England
- Carn Brea, Camborne, Illogan, Cornwall, England
- Carrock mine, Caldbeck Fells, Cumbria, England
- Cligga Head, Perranzabuloe, Cornwall, England
- Cligga mine, Perranzabuloe, Cornwall, England
- Cooks Kitchen mine, Camborne, Illogan, Cornwall, England
- Croft Gothal mine, St. Hilary, Cornwall, England
- Dolcoath mine, Camborne, Illogan, Cornwall, England
- Drakewalls mine, Calstock, Cornwall, England
- East Pool mine, Illogan, Cornwall, England
- Garth mine, Sancreed, Cornwall, England
- Gasson, Goss Moor, Cornwall, England
- Gavrigan Tin Stream Works, Goss Moor, St. Columb, Cornwall, England
- Geevor mine, Trewellard, St. Just, Cornwall, England
- Goonbarrow (North) Pit, St.Austell, Cornwall, England
- Great Wheal Fortune, Breage, Cornwall, England
- Great Wheal Vor, Breage, Cornwall, England
- Gunheath China Clay Pit, Stenalees, St.Austell, Cornwall, England
- Gunheath pit, Bugle, Hensbarrow Moor, Cornwall, England
- Hanover Cove, Perranzabuloe, Cornwall, England
- Hemerdon Ball, Plymton, Devon, England
- Imperial mine, Goonbarrow, St. Austell, Cornwall, England
- Kit Hill Great Consols, Stokeclimsland, Cornwall, England
- Kitt Hill Great Consols, Stokeclimsland, Cornwall, England
- Kitt Hill United Mine, Callington, Cornwall, England
- Land's End, Cornwall, England
- Levant mine, Pendeen, St. Just, Cornwall, England
- Little-Duke Mine, Tavistock Hamlets, Devon, England
- Marazion Beach, Cornwall, England
- Mulberry Stockworks, Lanivet, Cornwall, England
- Nancegollan mine, Crowan, Cornwall, England
- New Rosewarne mine, Gwinear, Cornwall, England
- North Goonbarrow pit, Bugle, Hensbarrow Moor, Cornwall, England
- Old Beam mine, Bugle, Hensbarrow Moor, Cornwall, England
- Parc St. Neots pit, Bodmin Moor, Cornwall, England
- Pedn-an-Drea mine, Redruth, Illogan, Cornwall, England
- Penberthy Croft mine, St. Hilary, Cornwall, England
- Pendarves mine, Camborne, Illogan, Cornwall, England
- Penlee quarry, Newlyn, Cornwall, England
- Poldory Min, Gwennap, Cornwall, England
- Prideaux Wood mine, Luxulyan, Cornwall, England
- Prince of Wales mine, Calstock, Cornwall, England
- Red a Venn mine, Okehampton, Devon, England
- Redmoor Placers, Lanlivery, Cornwall, England
- Relistian mine, Gwinnear, Cornwall, England
- Restowrack and Goonvean pit, Hensbarrow Moor, Cornwall, England
- Rosehill mine, St. Ives, Cornwall, England
- Seal Hole mine, St. Agnes, Cornwall, England
- South Crofty mine, Camborne, Illogan, Cornwall, England
- South Wheal Frances, Redruth, Illogan, Cornwall, England
- St Ives Consols Mine, St.Ives, Cornwall, England
- St. Ives Consols mine, St. Ives, Cornwall, England
- St. Michael's Mount, Marazion, Cornwall, England
- Tincroft mine, Redruth, Illogan, Cornwall, England
- Turnavore mine, St. Agnes, Cornwall, England
- Ventonwyn, St. Stephen-in-Brannel, Cornwall, England
- West Wheal Kitty, St. Agnes, Cornwall, England
- Wheal Bounty, Camborne, Illogan, Cornwall, England
- Wheal Button, St. Just, Cornwall, England
- Wheal Coates, St. Agnes, Cornwall, England
- Wheal Crenver, Crowan, Cornwall, England
- Wheal Edward, St. Just, Cornwall, England
- Wheal Fortune, Breage, Cornwall, England
- Wheal Friendly, St. Agnes, Cornwall, England
- Wheal Gorland, Gwennap, Cornwall, England
- Wheal Grenville United, Camborne, Illogan, Cornwall, England
- Wheal Harris, Camborne, Illogan, Cornwall, England
- Wheal Jane, Kea, Truro, Cornwall, England
- Wheal Kitty, St. Agnes, Cornwall, England
- Wheal Maid, Gwennap, Cornwall, England
- Wheal Merry, Newlyn, Cornwall, England
- Wheal Owles, St. Just, Cornwall, England
- Wheal Pendarves, Camborne, Illogan, Cornwall, England
- Wheal Phoenix, Linkinhorne, Cornwall, England
- Wheal Polberrow, St. Agnes, Cornwall, England
- Wheal Prosper, St. Ewe, Cornwall, England
- Wheal Providence, Gwinear, Cornwall, England
- Wheal Rock, St. Agnes, Cornwall, England
- Wheal Sally, Porthtowan, Cornwall, England
- Wheal Unanimity, St. Stephen-in-Brannel, Cornwall, England
- Wheal Unity, Gwennap, Cornwall, England
- Wheal Vincent, Altarnun, Cornwall, England
- Wheal Vor, Breage, Cornwall, England
- Wherry mine, Newlyn, Cornwall, England
- Zennor Consols mine, Zennor, Cornwall, England
- Montebras, Soumans, Creuse, Limousin, France
- Trimouns Talc mine, Ariège, Midi-Pyrénées, France
- Daniel mine, Schneeberg, Sachsen, Germany
- Ehrenfriedersdorf, Sachsen, Germany
- Herbstglück Stollen mine, Goldberg, Friedrichroda, Bad Salzungen, Thüringen, Germany
- Immelsbacher Höhe, Hornberg, Gutachtal, Kinzigtal, Baden-Wuerttemberg, Germany
- Rammelsberg mine, Goslar, Harz Mts, Sachsen, Germany
- Roßgrabeneck, Kinzigtal, Baden-Wuerttemberg, Germany
- Steinbissäge, Gremmelsbach, Kinzigtal, Baden-Wuerttemberg, Germany
- Ivigtut, Arsuk Fjord, Greenland
- Gold Mines river, Croghan Mountain, Co. Wicklow, Ireland
- Baveno, Lago Maggiore, Piedmont, Italy
- Fonte del Prete pegmatite, San Piero in Campo, Elba, Tuscany, Italy
- Grotta d'Oggi, Elba, Tuscany, Italy
- Taehwa mine, Neungam-ri, Angseong-myeon, Chungju, Chungcheongbukdo, South Korea
- Selangor, Malaysia
- La Esperanza mine, Durango, Mexico
- San Luis shaft, Fresnillo, Zacatecas, Mexico
- Santa Maria del Oro, San Luis Potosi, Mexico
- Kombat mine, Tsumeb, Otavi, Namibia
- Naraguta Extended Mines, Rafin Jaki, Plateau State, Nigeria
- Ratin Gabbas, South Plateau State, Nigeria
- Panasqueira mine, Panasqueira, Beira-Beixa, Portugal
- Aldan Shield, Yakutiya, Siberia, Russia
- Chukotka, Siberia, Russia
- Dal'negorsk, Primorskiy Kray, Russia
- Malkanskiy, Transbaikal, Siberia, Russia
- Tchukotka, Russia
- Tenkergin, Chukotka, Siberia, Russia
- Gairnshiel Bridge, Aberdeenshire, Scotland
- Iron/copper trial, Kilchrist, Broadford, Isle of Skye, Scotland
- Boiron River, Yens, Vaud, Switzerland
- Mika pegmatite, Rangkul' Highlands, Eastern Pamirs, Tajikistan
- Amelia, Amelia Co., Virginia, USA
- B.B.#7 mine, Norway, Oxford Co., Maine, USA
- Barrus Farm locality, Goshen, Hampshire Co., Massachusetts, USA
- Bell Pit, Newry, Oxford Co., Maine, USA
- Bemis Stream prospect, Township D, Franklin Co., Maine, USA
- Bennett & Orchard Pit mines, Buckfield, Oxford Co., Maine, USA
- Bennett Quarry, Buckfield Township, Oxford Co., Maine, USA
- Berry Quarry, Poland Township, Androscoggin Co., Maine, USA
- Berry-Havey mines, Poland, Androscoggin Co., Maine, USA
- Bisbee, Cochise Co., Arizona, USA
- Black Mountain mica Mine, Rumford Township, Oxford Co., Maine, USA
- Black Mt. mines, Rumford, Oxford Co., Maine, USA
- Blandford Mica mines, Blandford, Hampden Co., Massachusetts, USA
- Boomer Mine i, Laeke George a.rea, Park Co., Colorado, USA
- Brewer Knob, Jefferson, Chesterfield Co., South Carolina, USA
- Central York Mts., West Seward Peninsula, Alaska, USA
- Cherryville, Gastony, North Carolina, USA
- Cincinnati mine, St. Peter's Dome, Pikes Peak Region, El Paso Co., Colorado, USA
- Climax Mine, Climax, Lake Co., Colorado, USA
- Cole mine, Stoneham, Oxford Co., Maine, USA
- Consolidated Feldspar mines, Georgetown, Sagadahoc Co., Maine, USA
- Crooker prospect, Newry, Oxford Co., Maine, USA
- Crystal Park, Manitou Springs-Pikes Peak Area, El Paso Co., Colorado, USA
- Crystal Peak/Topaz Butte etc, Lake George Area, Park Co., Colorado, USA
- Devils Head, Deckers, Douglas Co., Colorado, USA
- Dunton Quarry etc, Newry Township, Oxford Co., Maine, USA
- Eastman Hill Tin prospects, Jackson, Carroll Co., New Hampshire, USA
- Emmons mine, Greenwood, Oxford Co., Maine, USA
- Esmeralda/Himalaya/SanDiego Mines #2, Mesa Grande, San Diego Co., California, USA
- Etta Mine (Harney Peak & Pearless), Black Hills, Pennington Co., South Dakota, USA
- Fisher Quarry, Topsham Township, Sagadahoc Co., Maine, USA
- Foote Spodumene Mine, Kings Mountain, Cleveland Co., North Carolina, USA
- General Electric mines, Buckfield, Oxford Co., Maine, USA
- Gillette quarry, Haddam Neck, East Hampton, Middlesex Co., Connecticut, USA
- Governor Pit, Albany, Carroll Co., New Hampshire, USA
- Greenlaw mine, Auburn, Androscoggin Co., Maine, USA
- Harding Mine, Dixon, Taos Co., New Mexico, USA
- Harvard Quarry, Greenwood Township, Oxford Co., Maine, USA
- Irish Creek Tin Mines, Vesuvius, Rockbridge Co., Virginia, USA
- Joe McKeen Mt. locality, Lovell, Oxford Co., Maine, USA
- Keith mine, Auburn, Androscoggin Co., Maine, USA
- Kelley Bank Mine, Vesuvius, Rockbridge Co., Virginia, USA
- LCA mine, Bessermer City, Gaston Co., North Carolina, USA
- Lillian Mining Co., Printerboy Hill, Leadville, Lake Co., Colorado, USA
- Little Three mine, Ramona district, San Diego Co., California, USA
- local Quarries, Haddam, Middlesex Co., Connecticut, USA
- Lord Hill mine, Stoneham, Oxford Co., Maine, USA
- Lord's Hill, Stoneham Township, Oxford Co., Maine, USA
- Lost River Area, Seward Peninsula, Alaska, USA
- Maine Feldspar mine, Auburn, Androscoggin Co., Maine, USA
- Majuba Hill mine, Pershing Co., Nevada, USA
- Martin mine, Newry, Oxford Co., Maine, USA
- Martin Prospect, Newry, Maine, USA
- Melrose Farm Beryllonite prospects, Stoneham, Oxford Co., Maine, USA
- Mills mines, Hebron, Oxford Co., Maine, USA
- Mineral Hill pegmatite area, Crook Co., Wyoming, USA
- Morefield Mine, Winterham, Amelia Co., Virginia, USA
- Mount Apatite, Auburn Township, Sagadahoc Co., Maine, USA
- Mount mica, Paris Township, Oxford Co., Maine, USA
- Mt Mica mine, Paris, Oxford Co., Maine, USA
- Mt. Rubellite mines, Hebron, Oxford Co., Maine, USA
- Mt.Rubellite, Hebron Township, Oxford Co., Maine, USA
- Nevel mine, Newry, Oxford Co., Maine, USA
- Nickel Plate Mine, Keystone, Pennington Co., South Dakota, USA
- Nobles Quarry, Norway Township, Oxford Co., Maine, USA
- Nubble mine, Greenwood, Oxford Co., Maine, USA
- Orchard Quarry/Bennett farm, Buckfield Township, Oxford Co., Maine, USA
- Parker Mountain Mountain Mine, Center Strafford, Coos Co., New Hampshire, USA
- Pearce Ledge locality, Hebron, Oxford Co., Maine, USA
- Perry Petalite prospect, Peru, Oxford Co., Maine, USA
- Petaca District, Rio Arriba Co., New Mexico, USA
- Pikes Peak, Teller Co., Colorado, USA
- Pine Creek pegmatite area, Douglas Co., Colorado, USA
- Portland & Strickland Quarries, Portland, Connecticut, USA
- Pulsifer mine & Dionne extension, Auburn, Androscoggin Co., Maine, USA
- Rockford, Coosa Co., Alabama, USA
- Ross/Cameron Mines etc, Gaffney, Cherokee Co., South Carolina, USA
- Rutherford Mines, Amelia Court House, Virginia, USA
- S Kern Co., California, USA
- Sheahan Quarry etc, Graniteville, Iron Co., Missouri, USA
- Sierra Co., New Mexico, USA
- Silver Hill, Spokane Co., Washington, USA
- South Baldface Mt. Phenakite locality, Chatham, Carroll Co., New Hampshire, USA
- Spor Mt., Nevada, USA
- Standpipe Hill Quarries, Topsham Township, Sagadahoc Co., Maine, USA
- Starrett mines, Warren, Knox Co., Maine, USA
- Sugar Hill/Melrose Mine/McKean Mt., Stoneham Township, Oxford Co., Maine, USA
- Swanson quarry, East Hampton, Middlesex Co., Connecticut, USA
- Tamminen mine, Greenwood, Oxford Co., Maine, USA
- The-Hole-In-The-Ground mine, Auburn, Androscoggin Co., Maine, USA
- Thurston Brown prospect, Rumford, Oxford Co., Maine, USA
- Tubbs Ledge mine, Norway, Oxford Co., Maine, USA
- Turner mine, Auburn, Androscoggin Co., Maine, USA
- Waisanen mine, Greenwood, Oxford Co., Maine, USA
- Westinghouse mine, Buckfield, Maine, USA
- White Mt. Batholith Pegmatite District, Carroll Co., New Hampshire, USA
- Winslow Tin mine, Winslow, Kennebec Co., Maine, USA
- Mumba, Kivu, Zaire
Usos y apliaciones
Mena de estaño.
Bibliografía y más información
- Circular of the USA National Bureau of Standards, vol. 1, p.V.1,54, (1953)