Tsumcorite R060081



Name: Tsumcorite
RRUFF ID: R060081
Ideal Chemistry: PbZn2(AsO4)2·2H2O
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: Marcus Origlieri
Owner: RRUFF
Description: Aggregate of yellowish-orange bladed crystals with significant chemical oscillations, associated with green duftite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Natrochalcite (12) ]
Quick search: [ All Tsumcorite samples (3) ]
CHEMISTRY 
RRUFF ID: R060081.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb1.00Zn1.00(Fe0.80Zn0.20)Σ=1(As1.00O4)2(OH)·H2O ; trace amounts of Ca, Na, Cu, Al ; H2O estimated by difference
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: R060081
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060081.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.08(1)Å    b: 6.290(9)Å    c: 7.54(1)Å
alpha: 90°    beta: 115.21(3)°    gamma: 90°   Volume: 390(2)Å3    Crystal System: monoclinic
  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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REFERENCES for Tsumcorite

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]

Geier B H, Kautz K, Müller G (1971) Tsumcorit(e) [Pb Zn Fe(AsO4)2] · H2O, ein neues mineral aus den oxidationszonen der Tsumeb-Mine, Südwestafrika, Neues Jahrbuch für Mineralogie, Monatshefte, 1971, 305-309

Fleischer M (1972) New mineral names, American Mineralogist, 57, 1552-1561   [view file]

Tillmanns E, Gebert W (1973) The crystal structure of tsumcorite, a new mineral from the Tsumeb Mine, S.W. Africa, Acta Crystallographica, B29, 2789-2794

Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352   [view file]

Krause W, Belendorff K, Bernhardt H J, McCammon C A, Effenberger H, Mikenda W (1998) Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite, European Journal of Mineralogy, 10, 179-206

Frost R L, Kloprogge J T, Martens W N (2004) Raman spectroscopy of the arsenates and sulphates of the tsumcorite mineral group, Journal of Raman Spectroscopy, 35, 28-35

Frost R L, Weier M (2004) Raman and infrared spectroscopy of tsumcorite mineral group, Neues Jahrbuch für Mineralogie, Monatshefte, 2004, 317-336