Krennerite R060138



Name: Krennerite
RRUFF ID: R060138
Ideal Chemistry: Au3AgTe8
Locality: Strong mine, Cripple Creek, Teller County, Colorado, USA
Source: University of Arizona Mineral Museum 13274 [view label]
Owner: RRUFF
Description: Gray metallic prismatic crystal, striated parallel to [001]
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Calaverite (6) ]
CHEMISTRY 
RRUFF ID: R060138.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Au0.87Ag0.13)Σ=1Te2.00
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060138
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060138.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 16.575(2)Å    b: 8.8408(9)Å    c: 4.4783(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 656.2(2)Å3    Crystal System: orthorhombic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Krennerite

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]

vom Rath G (1877) Ueber eine neue krystallisirte Tellurgold-Verbindung, den Bunsenin Krenner's, Zeitschrift für Krystallographie und Mineralogie, 1, 614-617   [view file]

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

vom Rath G (1878) Über eine neue krystallisirte tellurgold-verbindung, den Bunsenin Krenner's, Monatsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin, 1878, 292-296   [view file]

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

Pertlik F (1984) Crystal chemistry of natural tellurides II: Redetermination of the crystal structure of krennerite, (Au1-xAgx)Te2 with x ~ 0.2, Tschermaks Mineralogische und Petrographische Mitteilungen, 33, 253-262

Van Tendeloo G, Amelinckx S (1984) Electron microscopic studies of modulated structures in (Au,Ag)Te2 III. Krennerite, Journal of Solid State Chemistry, 53, 281-289

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]

Dye M D, Smyth J R (2012) The crystal structure and genesis of krennerite, Au3AgTe8, The Canadian Mineralogist, 50, 119-127   [view file]

Xu W, Zhao J, Brugger J, Chen G, Pring A (2013) Mechanism of mineral transformations in krennerite, Au3AgTe8, under hydrothermal conditions, American Mineralogist, 98, 2086-2095