Title
Investigation of inclusions trapped inside Libyan desert glass by Raman microscopyInvestigation of inclusions trapped inside Libyan desert glass by Raman microscopy
Author
Faculty/Department
Faculty of Sciences. Chemistry
Faculty of Medicine and Health Sciences
Research group
AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Laboratory Experimental Medicine and Pediatrics (LEMP)
Publication type
article
Publication
Berlin,
Subject
Chemistry
Source (journal)
Analytical and bioanalytical chemistry. - Berlin, 2002, currens
Volume/pages
397(2010):7, p. 2659-2665
ISSN
1618-2642
ISI
000280122100004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Several specimens of Libyan desert glass (LDG), an enigmatic natural glass from Egypt, were subjected to investigation by micro-Raman spectroscopy. The spectra of inclusions inside the LDG samples were successfully measured through the layers of glass and the mineral species were identified on this basis. The presence of cristobalite as typical for high-temperature melt products was confirmed, together with co-existing quartz. TiO2 was determined in two polymorphic species rutile and anatase. Micro-Raman spectroscopy proved also the presence of minerals unusual for high-temperature glasses such as anhydrite and aragonite.
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