Publication details

Crystal chemistry of ferriallanite-(Ce) from Nya Bastnäs, Sweden: Chemical and spectroscopic study

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SOBEK Kamil LOSOS Zdeněk ŠKODA Radek HOLÁ Markéta NASDALA Lutz

Year of publication 2023
Type Article in Periodical
Magazine / Source Mineralogy and Petrology
MU Faculty or unit

Faculty of Science

Keywords Allanite group; Raman spectroscopy; EPMA; LA-ICP-MS; Bastnäs (Sweden); Deposit; Crystal chemistry
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Description A second study of ferriallanite-(Ce) from Nya Bastnäs, Sweden, extends current data by using electron probe micro-analysis (EPMA), laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analysis and brings new insights about its crystal chemistry obtained by Raman spectroscopy. The study presents the first Raman spectra for ferriallanite-(Ce) member of the allanite group (not considering the rather low-quality spectra published in preceding papers). The material does not show significant radiation damage, which is rare as allanite-group minerals often have undergone metamictisation due to significant amounts of incorporated radionuclides (U, Th). Some interior regions show pronounced zoning that correlates with variations in Raman-band positions. In spite of its significant REE content, the material is virtually non-luminescent. New additional data for allanite-(Ce) from Oßling, Germany and Domanínek, Czech Republic are also presented, which were used for comparison.
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