Germanite R050439


 Name: Germanite
RRUFF ID: R050439
Ideal Chemistry: Cu13Fe2Ge2S16
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: University of Arizona Mineral Museum 10953 [view label]
Owner: RRUFF
Description: Black with purple hints, massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R050439.2
Sample Description: Microprobe Fragment
Measured Chemistry: dark-gray phase: (Cu11.61Fe2+0.87Zn0.52)Σ=13Fe2.00(Ge1.71As0.29)Σ=2S16.00; lighter-gray phase: (Cu10.59Zn0.41)Σ=11Fe4.00(Ge1.46As0.54)Σ=2S16.00 ; lightest phase is PbS.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample, burns with too much intensity from 780nm laser
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050439
Wavelength:
Sample Description: Unoriented sample, burns with too much intensity from 780nm laser
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050439.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R050439.1
Sample Description: Powder, with minor tennantite (cubic: a=10.24)
Cell Refinement Output: a: 10.6110(9)Å    b: 10.6110(9)Å    c: 10.6110(9)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1194.7(3)    Crystal System: cubic
  File Type Information Close
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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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Germanite

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]

Pufahl O (1922) “Germanit” ein germanium-mineral und -erz von Tsumeb, Südwest-Afrika, Metall und Erz, 19, 324-325   [view file]

Wherry E T (1923) New minerals: new species, American Mineralogist, 8, 115-116   [view file]

Murdoch J (1953) X-ray investigation of colusite, germanite, and reniérite, American Mineralogist, 38, 794-801   [view file]

Fleischer M (1968) New mineral names, American Mineralogist, 53, 2103-2106   [view file]

Levy C (1968) Contribution a la mineralogie des sulfures de cuivre du type Cu3XS4, Mémoires du Bureau de Recherches Géologiques et Minières, 54, 1-178

Fleischer M (1971) New mineral names, American Mineralogist, 56, 1487-1489   [view file]

Tettenhorst R T, Corbato C E (1984) Crystal structure of germanite, Cu26Ge4Fe4S32, determined by powder X-ray diffraction, American Mineralogist, 69, 943-947   [view file]

Jambor J L, Vanko D A (1989) New mineral names, American Mineralogist, 74, 946-951   [view file]

Frank-Kamenetskaya O V, Rozhdenstvenskaya I V, Yanulova L A (2002) New data on the crystal structures of colusites and arsenosulvanites, Journal of Structural Chemistry, 43, 89-100

Nenasheva S N (2003) On the chemical composition of germanite, New Data on Minerals. Moscow, 38, 34-40   [view file]