Raman spectroscopy of beaverite and plumbojarosite
Raman spectroscopy has been used to characterise the compound of formula Pb(Fe 3+,Cu2+)3(SO4)2(OH)6 equivalent to synthetic beaverite, one of the jarosite subgroup minerals. The mineral is characterised by multiple OH stretching vibrations attributed to non-equivalent OH units in the structure. Multiple vibrations are observed for the stretching vibrations indicating the non-equivalence of the sulphate units in the structure. This multiplicity is also reflected in the ν2 and ν4 bending modes. The Raman spectrum of beaverite is significantly different from that of plumbojarosite for which multiple bands are not observed.
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|Item Type:||Journal Article|
|Additional Information:||This manuscript is one of a series of papers on alunites and jarosites. Such minerals could be found on Mars, thus indicating the presence of solutions in geological times past.|
|Keywords:||alunite, jarosite, plumboharosite, beaverite, Raman spectroscopy|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2005 John Wiley & Sons|
|Copyright Statement:||The definite version is available on publication at www3.interscience.wiley.com|
|Deposited On:||19 Jul 2006 00:00|
|Last Modified:||29 Feb 2012 13:14|
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