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- Title
Investigation of inclusions trapped inside Libyan desert glass by Raman microscopy.
- Authors
Swaenen, Marcel; Stefaniak, Elżbieta Anna; Frost, Ray; Worobiec, Anna; Van Grieken, René
- 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.
- Subjects
EGYPT; LIBYAN Desert glass; RAMAN spectroscopy; CRISTOBALITE; TITANIUM dioxide; ZIRCON; RUTILE
- Publication
Analytical & Bioanalytical Chemistry, 2010, Vol 397, Issue 7, p2659
- ISSN
1618-2642
- Publication type
Article
- DOI
10.1007/s00216-009-3351-2