Sylvanite R070504



Name: Sylvanite
RRUFF ID: R070504
Ideal Chemistry: AgAuTe4
Locality: Boulder County, Colorado, USA
Source: James Shigley [view label]
Owner: RRUFF
Description: Columnar light yellow metallic crystals associated with quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Calaverite (6) ]
CHEMISTRY 
RRUFF ID: R070504.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070504
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070504.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.947(9)Å    b: 4.487(4)Å    c: 14.67(1)Å
alpha: 90°    beta: 145.44(2)°    gamma: 90°   Volume: 334.2(5)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 Sylvanite

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]

Klaproth M H (1802) Schrifterz, Beiträge zur Chemischen Kenntniss der Mineralkörper, 3, 16-20   [view file]

Beudant F S (1832) Sylvane, in Traité Élémentaire de Minéralogie, 2nd Edition Paris 542-543   [view file]

Schrauf A (1878) Ueber die Tellurerze Siebenbürgens, Zeitschrift für Krystallographie und Mineralogie, 2, 209-252   [view file]

Short M N (1937) Etch tests on calaverite, krennerite, and sylvanite, American Mineralogist, 22, 667-674   [view file]

Tunell G (1941) The atomic arrangement of sylvanite, American Mineralogist, 26, 457-477   [view file]

Thompson R M (1949) The telluride minerals and their occurrence in Canada, American Mineralogist, 34, 342-382   [view file]

Tunell G, Pauling L (1952) The atomic arrangement and bonds of the gold-silver ditellurides, Acta Crystallographica, 5, 375-381

Cabri L J (1965) Phase relations in the Au-Ag-Te system and their mineralogical significance, Economic Geology, 60, 1569-1606

Van Tendeloo G, Gregoriades P, Amelinckx S, (1983) Electron microscopic studies of modulated structures in (Au,Ag)Te2: Part II. Sylvanite AgAuTe4, Journal of Solid State Chemistry, 50, 335-361

Pertlik F (1984) Kristallchemie natürlicher telluride I: Verfeinerung der kristallstruktur des sylvanits, AuAgTe4, Tschermaks Mineralogische und Petrographische Mitteilungen, 33, 203-212   [view file]

Wagner F E, Sawicki J A, Friedl J, Mandarino J A, Harris D C, Cabri L J (1994) 197Au Mössbauer study of the gold–silver ditellurides sylvanite, krennerite and calaverite, The Canadian Mineralogist, 32, 189-201   [view file]

Stanek J (1995) 197Au Mössbauer study of the gold-silver ditellurides sylvanite, krennerite and calaverite: discussion, The Canadian Mineralogist, 33, 185-185   [view file]

Wagner F E, Sawicki J A, Friedl J (1995) 197Au Mössbauer study of the gold-silver ditellurides sylvanite, krennerite and calaverite: reply, The Canadian Mineralogist, 33, 187-188   [view file]

Bindi L, Arakcheeva A, Chapuis G (2009) The role of silver on the stabilization of the incommensurately modulated structure in calaverite, AuTe2, American Mineralogist, 94, 728-736   [view file]