Tennantita
Formación y ambiente
Mesothermal and epithermal vetas.
Hidrotermal
Propiedades fisicas
Hábito: Massive - granular or disseminated
Lustre: Metálico
Transparencia: Opaco
Color: Gris acero o negro
Color en sección fina: Incolora
Dureza (Mohs): 3-4
Fractura: Hackly
Densidad: 4,6-4,7 g/cm3 (medida) | 4,65 g/cm3 (calculada)
Cristalografía
Sistema cristalino:Cúbico
Clase (H-M): 0m (4*3m) - Hextetrahedral
Grupo espacial: I 4*3m
Parámetros de la celda: a=10,186Å
Volumen de unidad de celda: V 1056,84Å
Z: 2
Difracción de Rayos X:| D(hkl) | Intensidad |
|---|---|
| 2,94 | 100 |
| 1,801 | 80 |
| 1,535 | 50 |
Propiedades ópticas
Tipo: Opaco
Valores RI: nα= 2,72 - 2,73
Dispersión: Ninguna
Reflectancia:| D(hkl) | Intensidad |
|---|---|
| 470.0 | 30,2 |
| 546.0 | 30,1 |
| 589.0 | 28,5 |
| 650.0 | 26 |
Propiedades químicas
Fórmula: Cu6[Cu4(Fe,Zn)2]As4S13
Elementos químicos: Cu, Fe, Zn, As, S
Composición química: As: 20,37%, S: 28,33%, Fe: 3,80%, Cu: 47,51%,
Tests químicos
Reacción a los ácidos: Se descompone en ácido nítrico con la separación de azufre
Formación de sublimados: Gives off arsenical fumes and fuses to grey bead.
Otras propiedades
Magnetismo: No magnético
Relaciones con otros minerales
Miembro del grupo de minerales: Grupo de la Tetraedrita
Minerales pertenecientes al Grupo de la Tetraedrita
| Imagen | Mineral | Fórmula | Sistema | Dureza | Color | Raya | Brillo |
|---|---|---|---|---|---|---|---|
 | Argentotennantita | Ag6[Cu4(Fe,Zn)2]As4S13 | Cúbico | 3,5 | Gris o negro | Pardo rojiza | Resinoso |
| Argentotetrahedrita | Ag10(Fe,Zn)2Sb4S13 | |||||
 | Freibergita | Ag6[Cu4Fe2]Sb4S13-x | Cúbico | 3,5-4 | Gris a negro | Negra rojiza | Metálico |
| Giraudita | Cu6[Cu4(Fe,Zn)2]As4Se13 | Cúbico | 3,5-4 | Gris | Blanco | Metálico |
| Goldfieldita | Cu10Te4S13 | Cúbico | 3-3,5 | Negra | Metálico | |
| Hakita | Cu6[Cu4Hg2]Sb4Se13 | Cúbico | 5 | Blanco | Metálico | |
| Tennantita | Cu6[Cu4(Fe,Zn)2]As4S13 | Cúbico | 3-4 | Gris acero o negro | Metálico | |
 | Tetraedrita | Cu6[Cu4(Fe,Zn)2]Sb4S13 | Cúbico | 3-4 | Negro grisáceo | Negra | Metálico |
Minerales acompañantes
| Imagen | Mineral | Fórmula | Sistema | Dureza | Color | Raya | Brillo |
|---|---|---|---|---|---|---|---|
 | Arsenopirita | FeAsS | Monoclínico | 5,5-6 | Blanco a gris acerado | Negra | Metálico |
 | Calcopirita | CuFeS2 | Tetragonal | 3,5-4 | Amarillo-latón, a menudo con iridiscencias | Negra verdosa | Metálico |
| Enargita | Cu3AsS4 | Ortorrómbico | 3 | Negra | Metálico | |
 | Galena | PbS | Cúbico | 2,5-2,8 | Gris plomo, algo más claro si contiene plata | Negro grisáceo | Metálico |
 | Pirita | FeS2 | Cúbico | 6-6,5 | Amarillo latón | Gris, parda o negra verdosa | Metálico |
 | Cuarzo | SiO2 | Trigonal | 7 | Blanco, transparente. Según variación también puede ser rosa, rojizo o negro. | Blanco | Vítreo |
 | Esfalerita | ZnS | Cúbico | 3,5-4 | Varía entre amarillento y gris | Blanca a amarillo impuro | Resinoso - graso |
| Tetraedrita | Cu6[Cu4(Fe,Zn)2]Sb4S13 | Cúbico | 3-4 | Negro grisáceo | Negra | Metálico |
Yacimientos y localidades de interés
Localidades
- Redruth/St. Day area, Cornwall, England - Localidad tipo.
- Capillitas mine, Andalgalá, Catamarca, Argentina
- Mt Lyell, Tasmania and Tingha, New South Wales, Australia
- Rotgülden, Salzburg, Austria
- Schwaz-Brixlegg, Tyrol, Austria
- Pulacayo mine, Huanchaca, Potosí Dept, Bolivia
- Lavra do Énio pegmatite, Galiléia, Minas Gerais, Brazil
- Madan, Rhodope Mtns., Plovdiv, Bulgaria
- Barrie Township, Frontenac Co., Ontario, Canada
- H-W mine, Vancouver Island, British Columbia, Canada
- Lillooet district, British Columbia, Canada
- Mt St.-Hilaire, Rouville Co., Québec, Canada
- Poudrette quarry, Mt St.-Hilaire, Rouville Co., Québec, Canada
- Alexander Gallery, Vrancice, Príbram, Stredocesky, Czech Republic
- Krupka, Krusne Hory, Vychodocesky, Czech Republic
- Medenec (Kupferberg), Chomutov, Krusne Hory, Vychodocesky, Czech Republic
- Moldava, Teplice, Krusne Hory, Vychodocesky, Czech Republic
- Birk Fell Mine, Tilberthwaite, Cumbria, England
- Carn Brea, Camborne, Illogan, Cornwall, England
- Clevedon Beach, Somerset, England
- Cooks Kitchen mine, Camborne, Illogan, Cornwall, England
- Dale Head Mine, Newlands Valley, Cumbria, England
- Dolcoath mine, Camborne, Illogan, Cornwall, England
- Driggith Mine, Caldbeck Fells, Cumbria, England
- Eagle Crag Mine, Patterdale, Cumbria, England
- Geevor mine, Trewellard, St. Just, Cornwall, England
- Gunheath China Clay Pit, Stenalees, St.Austell, Cornwall, England
- Hingston Down quarry, Calstock, Cornwall, England
- Holehouse Gill Mine, Ulpha, Cumbria, England
- Judkins quarry, Nuneaton, Warwickshire, England, England
- Levant mine, Pendeen, St. Just, Cornwall, England
- North Roskear mine, Camborne, Illogan, Cornwall, England
- Old Potts Gill mine, Caldbeck Fells, Cumbria, England
- Paddy End Mine, Coniston, Cumbria, England
- Pave York Mine, Greenburn Valley, Cumbria, England
- Relistian mine, Gwinnear, Cornwall, England
- Tresavean mine, Gwennap, Cornwall, England
- Trevascus mine, Gwinear, Cornwall, England
- West Caradon mine, St. Cleer, Cornwall, England
- Wheal Gorland, Gwennap, Cornwall, England
- Wheal Jane, Kea, Truro, Cornwall, England
- Wheal Jewel, Gwennap, Cornwall, England
- Wheal Unity, Gwennap, Cornwall, England
- Wheal Unity, Gwinear, Cornwall, England
- Cap Garonne, Le Pradet, Var, France
- Chessy-les-Mines, Rhône, Rhône-Alpes, France
- Falgayrolles, Aveyron, Midi-Pyrénées, France
- Anton mine, Heubachtal, Wittichen, Baden-Wuerttemberg, Germany
- Christophstal, Freudenstadt, Baden-Wuerttemberg, Germany
- Clara mine, Oberwolfach, Baden-Wuerttemberg, Germany
- Daniel mine, Schneeberg, Sachsen, Germany
- Dreikönigstern, Reinerzau, Alpirsbach, Baden-Wuerttemberg, Germany
- Gangzug Prinzbach, Kinzigtal, Baden-Wuerttemberg, Germany
- Geigeshalde / Falkenstein, Schramberg, Kinzigtal, Baden-Wuerttemberg, Germany
- Hechtsberg quarry, Kinzigtal, Baden-Wuerttemberg, Germany
- Hennenloch mine, Kinzigtal, Baden-Wuerttemberg, Germany
- Hilfe Gottes mine, Wiemannsbucht, Bad Grund, Harz Mts, Sachsen, Germany
- Johann mine, Wittichen, Baden-Wuerttemberg, Germany
- Kirchheimerstollen, Müllenbach, Baden-Baden, Baden-Wuerttemberg, Germany
- Roßgrabeneck, Kinzigtal, Baden-Wuerttemberg, Germany
- Schweina-Glücksbrunn, Bad Liebenstein, Eisenach, Thüringen, Germany
- Silberbrünnle mine, Kinzigtal, Baden-Wuerttemberg, Germany
- Stahlberg mine, Kohlberg, Trusetal, Bad Salzungen, Thüringen, Germany
- Uranlagerstatte Mullenbach, Baden-Baden, Germany
- Ballycummisk mine, Ballydehob, Co. Cork, Ireland
- Gortdrum mine, Co. Tipperary, Ireland
- Muckross mine, Co. Kerry, Ireland
- Ross Island, Lough Leane, Co. Kerry, Ireland
- Silvermines district, Co. Tipperary, Ireland
- Is Murvonis Mine, Domusnovas, Iglesias district, Sardinia, Italy
- Molinello mine, Val Graveglia, Liguria, Italy
- Val Graveglia, Liguria, Italy
- Kvartsitovje Gorki, Kazakhstan
- Sarbay silver mine, Rudni, Kusteni Oblast, Kazakhstan
- Chaidarkan, Alai, Kyrgyzstan
- Chauvay, Alai, Kyrgyzstan
- Caridad mine, Sonora, Mexico
- El Cobre Mine, Concepcion del Oro, Zacatecas, Mexico
- Mina Ojuela, Mapimi, Durango, Mexico
- Abaneb West mine, Otavi, Namibia
- Alt Bobos mine, Otavi, Namibia
- Auros, Otavi, Namibia
- Berg Aukas, Otavi, Namibia
- Khusib mine, Otavi, Namibia
- Kombat mine, Tsumeb, Otavi, Namibia
- Tsumeb mine, Tsumeb, Otavi, Namibia
- Tsumeb West Vanadium mine, Otavi, Namibia
- Tsumeb, Namibia
- Uitsab mine, Otavi, Namibia
- Wolkenhaben, Otavi, Namibia
- Kongsberg, Buskerud, Norway
- Castro Virreyana mine, near Lima, Peru
- Castrovirreyana mine, near Lima, Peru
- Berezovskoye deposit, Ekaterinberg, Sverdlovsk, Ural Mts., Russia
- Dal'negorsk, Primorskiy Kray, Russia
- Mutnovskoe, Kamchatka, Russia
- Needle's Eye Mine, Dumfries & Galloway, Scotland
- Rio Tinto mines, Huelva, Spain
- Frederik shaft, Fahlun, Örebro, Sweden
- Lengenbach quarry, Binntal, Valais, Switzerland
- Malasondo district, Tibet
- 79 Mine, Banner District, Gila Co., Arizona, USA
- American mine, Bingham Canyon, Salt Lake Co., Utah, USA
- Atlantic/Blue Hill/Oven/Douglas/Granger etc, Blue Hill, Hancock Co., Maine, USA
- Bisbee, Cochise Co., Arizona, USA
- Black Hawk district, Grant Co., New Mexico, USA
- Black Hawk mine, Black Hawk district, Grant Co., New Mexico, USA
- Black Pine Mine, Phillipsburg, Granite Co., Montana, USA
- Butte General Area, Montana, USA
- Callahan mine, Brooksville, Hancock Co., Maine, USA
- Cofer District, Mineral, Virginia, USA
- Crestmore Quarry, Crestmore, Riverside Co., California, USA
- East Tintic Mine, Juab Co., Utah, USA
- Elridge mine, Buckingham Co., Virginia, USA
- Fernando Mine/etc, Darwin District, Inyo Co., California, USA
- Flambeau mine, Ladysmith, Rusk Co., Wisconsin, USA
- Freeland lode, Idaho Springs, Clear Creek Co., Colorado, USA
- Gillman District, Colorado, USA
- Guston Mine etc, Red Mountain Pass Area, Ouray Co., Colorado, USA
- Hartville Uplift Copper district, Goshen Co., Wyoming, USA
- Idaho Springs, Clear Creek Co., Colorado, USA
- Inexco #1 Mine, Jamestown, Boulder Co., Colorado, USA
- Kirk Mine, Central City, Gilpin Co., Colorado, USA
- Lamartina District, Clear Creek Co., Colorado, USA
- Leonard Mine etc, Butte, Silver Bow Co., Montana, USA
- Lillian Mining Co., Printerboy Hill, Leadville, Lake Co., Colorado, USA
- Magma Mine, Superior, Pinal Co., Arizona, USA
- Mohawk Mine, Goldfield, Esmeralda Co., Nevada, USA
- Mountain Consolidated Mine, Butte, Silver Bow Co., Montana, USA
- New Cornelia Mine, Ajo, Pima Co., Arizona, USA
- Park City, Summit Co., Utah, USA
- Smuggler Vein, Smuggler Union Consolidated mine, Marshall Basin, Telluride District, San Miguel Co., Colorado, USA
- Snake River/Peru, Montezuma, Summit Co., Colorado, USA
- Stanley Mine, Idaho Springs District, Clear Creek Co., Colorado, USA
- Sterling Hill and Franklin Furnace, Sussex Co., New Jersey, USA
- Stewart Mine, Butte, Silver Bow Co., Montana, USA
- Sweet Home Mine, Alma District, Park Co., Colorado, USA
- Washington Camp District, Santa Cruz Co., Arizona, USA
- Wood Mine, Central City District/Quartz Hill, Gilpin Co., Colorado, USA
- Dolyhir Quarry, Powys, Wales
- Great Ormes Head Mine, Llandudno, Gwynedd, Wales
- Parys Mountain mine, Anglesey, Wales
- Kipushi mine, Lubumbashi, Shaba, Zaire
Bibliografía y más información
- Zeitschrift für Kristallographie, vol. 123, p.1, (1966)