Raman Spectroscopy of the Mineral Rhodonite
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Description
The mineral rhodonite an orthosilicate has been characterised by Raman spectroscopy. The Raman spectra of three rhodonites from Broken Hill, Pachapaqui and Franklin were compared and found to be similar. The spectra are characterised by an intense band at around 1000 cm-1 assigned to the ν1 symmetric stretching mode and three bands at 989, 974 and 936 cm-1 assigned to the ν3 antisymmetric stretching modes. An intense band at around 667 cm-1 was assigned to the ν4 bending mode and showed additional bands exhibiting loss of degeneracy of the SiO4 units. The low wavenumber region of rhodonite is complex. A strong band at 421.9 cm-1 is attributed to the ν2 bending mode. The spectra of the three rhodonite mineral samples are similar but subtle differences are observed. It is proposed that these differences depend upon the cationic substitution of Mn by Ca and/or Fe2+ and Mg
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| ID Code: | 2336 |
|---|---|
| Item Type: | Contribution to Journal (Journal Article) |
| Refereed: | Yes |
| Measurements or Duration: | 5 pages |
| Keywords: | Infrared Spectroscopy, Orthosilicate, Raman Spectroscopy, Rhodonite |
| DOI: | 10.1016/j.saa.2004.12.022 |
| ISSN: | 1386-1425 |
| Pure ID: | 34282038 |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology Past > QUT Faculties & Divisions > Science & Engineering Faculty Current > Research Centres > Australian Research Centre for Aerospace Automation |
| Copyright Owner: | Consult author(s) regarding copyright matters |
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au |
| Deposited On: | 28 Oct 2005 00:00 |
| Last Modified: | 01 Jul 2024 21:13 |
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