Walpurgite R050573
Name: Walpurgite
RRUFF ID: R050573
Ideal Chemistry: Bi4O4(UO2)(AsO4)2·2H2O
Locality: Joachimstal, Bohemia, Czech Republic
Source: University of Arizona Mineral Museum 2484
Owner: RRUFF
Description: Yellow thin tabular crystals associated with metazeunerite, R060301
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050573
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050573.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.118(9)Å    b: 10.409(16)Å    c: 5.482(9)Å
alpha: 101.72(5)°    beta: 110.88(4)°    gamma: 88.18(5)°   Volume: 371.2(4)    Crystal System: triclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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X-ray Data (XY - Processed)
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REFERENCES for Walpurgite

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]

Mereiter K (1982) The crystal structure of walpurgite, (UO2)Bi4O4(AsO4)2·2(H2O), Tschermaks Mineralogische und Petrographische Mitteilungen, 30, 129-139

Dunn P J, Cabri L J, Clark A M, Fleischer M (1983) New mineral names, American Mineralogist, 68, 849-852   [view file]

Frost R L, Weier M L, Cejka J, Kloprogge J T (2006) Raman spectroscopy of walpurgite, Journal of Raman Spectroscopy, 37, 585-590