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.
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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|Item Type:||Journal Article|
|Keywords:||argentojarosite, plumbojarosite, jarosite, Raman spectroscopy, sulphate|
|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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