Raman spectroscopy of newberyite, hannayite and struvite
Frost, Ray L., Weier, Matt L., Martens, Wayde N., Henry, Dermot A. , & Mills, Stuart J. (2005) Raman spectroscopy of newberyite, hannayite and struvite. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 62(1-3), pp. 181-188.
The phosphate minerals hannayite, newberyite and struvite have been studied by Raman spectroscopy using a thermal stage. Hannayite and newberyite are characterised by an intense band at around 980 cm-1 assigned to the ν1 symmetric stretching vibration of the HPO4 units. In contrast the symmetric stretching mode is observed at 942 cm-1 for struvite. The Raman spectra are characterised by multiple ν3 antisymmetric stretching bands and ν2 and ν4 bending modes indicating strong distortion of the HPO4 and PO4 units. Hannayite and newberyite are defined by bands at 3382 and 3350 cm-1 attributed to HOPO3 vibrations and hannayite and struvite by bands at 2990, 2973 and 2874 assigned to NH4+ bands. Raman spectroscopy has proven most useful for the analysis of these ‘cave’ minerals where complex paragenetic relationships exist between the minerals.
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|Item Type:||Journal Article|
|Keywords:||hannayite, newberryite, struvite, phosphate, Raman spectroscopy|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)|
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2005 Elsevier|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||28 Oct 2005|
|Last Modified:||29 Feb 2012 23:13|
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