Schwertmannite R220002


Name: Schwertmannite
RRUFF ID: R220002
Ideal Chemistry: Fe3+16O16(OH)9.6(SO4)3.2·10H2O
Locality: A ditch in the Tinto river basin, SW Spain
Source: Annika Parviainen
Owner: Annika Parviainen
Description: Sample LN-2 from Parviainen et al (2015). A crusty surface with a layered texture consisting of spherical aggregates exhibiting the three major phases schwertmannite, jarosite, and goethite
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Coronadite (13) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Powder, sharp peak is quartz
Instrument settings: Jobin-Yvon Horiba Labram 784nm @ 100% of 2mW
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POWDER DIFFRACTION 
RRUFF ID: R220002.1
Sample Description: Powder, sharp peak is quartz
  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Schwertmannite

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]

Bigham J M, Carlson L, Murad E (1994) Schwertmannite, a new iron oxyhydroxy-sulphate from Pyhäsalmi, Finland, and other localities, Mineralogical Magazine, 58, 641-648   [view file]

Jambor J L, Pertsev N N, Roberts A C (1995) New mineral names, American Mineralogist, 80, 845-850   [view file]

Mazzetti L, Thistlethwaite P J (2002) Raman spectra and thermal transformation of ferrihydrite and schwertmannite, Journal of Raman Spectroscopy, 33, 104-111

Frankel R B, Bazylinski D A (2003) Biologically induced mineralization by bacteria, Reviews in Mineralogy and Geochemistry, 54, 95-114

Fernandez-Martinez A, Timon V, Roman-Ross G, Cuello G J, Daniels J E, Ayora C (2010) The structure of schwertmannite, a nanocrystalline iron oxyhydroxysulfate, American Mineralogist, 95, 1312-1322   [view file]

French R A, Caraballo M A, Kim B, Rimstidt J D, Murayama M, Hochella M F (2012) The enigmatic iron oxyhydroxysulfate nanomineral schwertmannite: Morphology, structure, and composition, American Mineralogist, 97, 1469-1482   [view file]

Bishop J L, Murad E, Dyar M D (2015) Akaganéite and schwertmannite: spectral properties and geochemical implications of their possible presence on Mars, American Mineralogist, 100, 738-746

Parviainen A, Cruz-Hernández P, Pérez-López R, Nieto J M, Delgado-López J M (2015) Raman identification of Fe precipitates and evaluation of As fate during phase transformation in Tinto and Odiel River Basins, Chemical Geology, 398, 22-31