Metavivianite an intermediate mineral phase between vivianite, and ferro/ferristrunzite; a Raman spectroscopic study

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doi: 10.1127/0028-3649/2004/2004-0228
Authors:Frost, Ray L.; Weier, Matt; Lyon, William G.
Volume Title:Neues Jahrbuch für Mineralogie. Monatshefte
Source:Neues Jahrbuch für Mineralogie. Monatshefte, 2004(5), p.228-240. Publisher: E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, Federal Republic of Germany. ISSN: 0028-3649
Publication Date:2004
Note:In English. 23 refs.
Summary:The Raman spectrum of metavivianite is broad and more closely resembles that of ferro/ferristrunzite than vivianite, which is not unexpected as both minerals are triclinic. Metavivianite is characterized by a broad profile in the hydroxyl stretching region with bands at 3368 and 3133 cm-1. The width of the bands indicates that the structure of metavivianite is disordered. In the PO stretching region bands are observed at 1123, 1060, 1005 and 958 cm-1 and are assigned to the stretching modes. Partially oxidized vivianites are characterized by a sharp OH stretching band at around 3480 cm-1 in the Raman spectrum. It is suggested that metavivianite is a transitional oxidation phase between the vivianite and ferro/ferristrunzite end-members. [R.A.H.]
Sections:Crystal structure; Mineral data
Subsections:Non-silicates
Subjects:Phosphates; Raman spectra; Spectra; Vivianite; Bavaria Germany; Belgium; Bolivia; Central Europe; Commonwealth of Independent States; Europe; Germany; North Rhine-Westphalia Germany; South America; Ukraine; Western Europe; Metavivianite; Strunzite
Abstract Numbers:04M/2109
Record ID:2010054097
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from Geoline, Bundesanstalt fur Geowissenschaften und Rohstoffe
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