Raman spectroscopic study kuranakhite PbMn4+Te6+O6 –a rare tellurate mineral
Tellurates are rare minerals as the tellurate anion is easily reduced to the tellurite ion. An example of a tellurate containing mineral is kuranakhite. Two bands at 617 and 686 cm-1 are observed and assigned to the Te6+O6 ν1 symmetric stretching mode. The observation of two bands suggests the non-equivalence of the Te6+O6 in the structure. The broad band centred at 743 cm-1 is attributed to the Te6+O6 ν3 antisymmetric stretching mode. Sharp intense bands at 452 and 462 cm-1 are assigned to the Te6+O6 ν4 bending mode. A comparion of the Raman spectra of kuranakhite with that of tellurate containing minerals tlapallite and xocomecatlite is made.
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|Item Type:||Journal Article|
|Keywords:||tellurate, kuranakhite, xocomecatlite, tlapallite, Raman spectroscopy,|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)|
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Catalysis and Mechanisms of Reactions (030601)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2009 John Wiley & Sons|
|Copyright Statement:||The definitive version is available at www3.interscience.wiley.com|
|Deposited On:||09 Mar 2009 10:21|
|Last Modified:||01 Mar 2012 00:07|
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