Chalcocite R050067

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Record 719 of 4033  


Name: Chalcocite
RRUFF ID: R050067
Ideal Chemistry: Cu2S
Locality: Flambeau, Rusk County, Wisconsin, USA
Source: Rock Currier
Owner: RRUFF
Description: Iridescent blue irregular hexagonal tablet
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Chalcocite samples (4) ]
CHEMISTRY 
RRUFF ID: R050067.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu2.00S1.00
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050067
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050067.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050067.1
Sample Description: Powder
Cell Refinement Output: a: 15.264(1)Å    b: 11.8766(6)Å    c: 13.505(1)Å
alpha: 90°    beta: 116.388(9)°    gamma: 90°   Volume: 2193.1(0)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Chalcocite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Hill J (1751) Of vitriolic minerals, in A History of the Materia Medica Longman, Hitch and Hawes London 140-147   [view file]

Hoffmann C A S (1789) Mineralsystem des Herrn Inspektor Werners mit dessen Erlaubnis herausgegeben von C A S Hoffmann, Bergmannisches Journal, 1, 369-398   [view file]

Beudant F S (1832) Chalkosine, cuivre sulfuré, in Traité Élémentaire de Minéralogie, 2nd Edition Paris 408-410   [view file]

Roseboom E H (1966) An investigation of the system Cu-S and some natural copper sulfides between 25° and 700° C, Economic Geology, 61, 641-672

Evans H T (1971) Crystal structure of low chalcocite, Nature Physical Science, 232, 69-70

Cook W R (1972) Phase changes in Cu2S as a function of temperature, National Bureau of Standards Special Publication 364, Solid State Chemistry, 364, 703-712   [view file]

Mathieu H J, Rickert H (1972) Elektrochemisch-thermodynamische Untersuchungen am System Kupfer-Schwefel bei Temperaturen T = 15-90°C, Zeitschrift für Physikalische Chemie Neue Folge, 79, 315-330

Potter R W II (1977) An electrochemical investigation of the system copper-sulfur, Economic Geology, 72, 1524-1542

Tatsuka K, Morimoto N (1977) Tetrahedrite stability relations in the Cu-Fe-Sb-S system, American Mineralogist, 62, 1101-1109   [view file]

Evans H T (1979) Djurleite (Cu1.94S) and low chalcocite (Cu2S): New crystal structure studies, Science, 203, 356-358

Steger H F, Desjardins L E (1980) Oxidation of sulfide minerals. V. Galena, sphalerite and chalcocite, The Canadian Mineralogist, 18, 365-372   [view file]

Evans H T (1981) Copper coordination in low chalcocite djurleite and other copper-rich sulfides, American Mineralogist, 66, 807-818   [view file]

Whiteside L S, Goble R J (1986) Structural and compositional changes in copper sulfides during leaching and dissolution, The Canadian Mineralogist, 24, 247-258   [view file]

Pósfai M, Buseck P R (1994) Djurleite, digenite, and chalcocite: Intergrowths and transformations, American Mineralogist, 79, 308-315   [view file]

Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147   [view file]

Goh S W, Buckley A N, Lamb R N, Rosenberg R A, Moran D (2006) The oxidation states of copper and iron in mineral sulfides, and the oxides formed on initial exposure of chalcopyrite and bornite to air, Geochimica et Cosmochimica Acta, 70, 2210-2228

Schumer B N, Stegen R J, Barton M D, Hiskey M D, Downs R T (2019) Mineralogical profile of supergene sulfide ore in the Western Copper area, Morenci mine, Arizona, The Canadian Mineralogist, 57, 391-401