Chalcocite R070730

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Record 755 of 4216  

Name: Chalcocite
RRUFF ID: R070730
Ideal Chemistry: Cu2S
Locality: La Mesa, Chihuahua, Mexico
Source: Michael Scott S102930 [view label]
Owner: RRUFF
Description: Dark gray rounded metallic grains associated with ajoite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Chalcocite samples (5) ]
RRUFF ID: R070730.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu1.97Ag0.01S
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R070730
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 30% of 150mW
RRUFF ID: R070730.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 15.228(3)Å    b: 11.881(3)Å    c: 13.485(3)Å
alpha: 90°    beta: 116.282(8)°    gamma: 90°   Volume: 2187.6(9)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.

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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

Evans H T (1979) The crystal structures of low chalcocite and djurleite, Zeitschrift für Kristallographie, 150, 299-320   [view file]

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