Journal
PHYSICS AND CHEMISTRY OF MINERALS
Volume 41, Issue 2, Pages 127-140Publisher
SPRINGER
DOI: 10.1007/s00269-013-0631-3
Keywords
Laser-induced breakdown spectroscopy; Chemical analysis; Light lithophile elements; Chromophore elements
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Gem-quality alexandrite, hiddenite and kunzite, elbaite and topaz minerals were characterized through a multi-methodological investigation based on EMPA-WDS, LA-ICP-MS, and laser-induced breakdown spectroscopy (LIBS). With respect to the others, the latter technique enables a simultaneous multi-elemental composition without any sample preparation and the detection of light elements, such as Li, Be and B. The criteria for the choice of minerals were: (a) the presence of chromophore elements in minor contents and/or as traces; (b) the presence of light lithophile elements (Li, Be and B); (c) different crystal chemistry complexity. The results show that LIBS can be employed in mineralogical studies for the identification and characterization of minerals, and as a fast screening method to determine the chemical composition, including the chromophore and light lithophile elements.
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