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A Raman spectroscopic study of selected natural jarosites

Frost, Ray L., Wills, Rachael-Anne, Weier, Matt L., Martens, Wayde N., & Mills, Stuart (2006) A Raman spectroscopic study of selected natural jarosites. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 63(1), pp. 1-8.

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Abstract

Raman spectroscopy has been used to characterise the jarosite group of minerals of formula Mn(Fe 3+)6(SO4)4(OH)12 where M may be K, (NH4)+, Na, Ag or Pb and where n=2 for monovalent cations and 1 for the divalent cations. Raman spectroscopy proved useful for mineral identification especially where closely related minerals crystallise out from solutions where paragenetic relationships exist between the minerals. The band position of the symmetric stretching mode proved to be a function of the ionic radius of the cation. The bending modes show a slight dependence. The spectra of the natural samples can be complex. This complexity is attributed to the incorporation of low levels of other cations into the structure.

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470 since deposited on 14 Dec 2005
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ID Code: 2913
Item Type: Journal Article
Keywords: argentojarosite, plumbojarosite, jarosite, Raman spectroscopy, sulphate
DOI: 10.1016/j.saa.2005.03.034
ISSN: 1386-1425
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2006 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 14 Dec 2005
Last Modified: 29 Feb 2012 23:24

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