A vibrational spectroscopic study of the silicate mineral kornerupine

Frost, Ray L., Lópes, Andrés, Xi, Yunfei, & Scholz, Ricardo (2015) A vibrational spectroscopic study of the silicate mineral kornerupine. Spectroscopy Letters, 48(7), pp. 487-491.

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We have studied the mineral kornerupine, a borosilicate mineral, by using a combination of scanning electron microscopy with energy-dispersive analysis and Raman and infrared spectroscopy. Qualitative chemical analysis of kornerupine shows a magnesium–aluminum silicate. Strong Raman bands at 925, 995, and 1051 cm−1 with bands of lesser intensity at 1035 and 1084 cm−1 are assigned to the silicon–oxygen stretching vibrations of the siloxane units. Raman bands at 923 and 947 cm−1 are attributed to the symmetrical stretching vibrations of trigonal boron. Infrared spectra show greater complexity and the infrared bands are more difficult to assign. Two intense Raman bands at 3547 and 3612 cm−1 are assigned to the stretching vibrations of hydroxyl units. The infrared bands are observed at 3544 and 3610 cm−1. Water is also identified in the spectra of kornerupine.

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ID Code: 83663
Item Type: Journal Article
Refereed: Yes
Keywords: borate, infrared spectroscopy, Kornerupine, raman spectroscopy, Silicate
DOI: 10.1080/00387010.2014.909494
ISSN: 1532-2289
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Taylor & Francis Group, LLC
Copyright Statement: The Version of Record of this manuscript has been published and is available in Spectroscopy Letters, 03 February 2015, http://www.tandfonline.com/10.1080/00387010.2014.909494
Deposited On: 17 Apr 2015 02:20
Last Modified: 06 Apr 2016 04:10

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