Journal
JOURNAL OF ARCHAEOLOGICAL SCIENCE
Volume 34, Issue 5, Pages 756-762Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2006.08.002
Keywords
Raman microscopy; pigment; stuccoes; Iraq
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Six ninth-century stucco fragments from Samarra, Iraq, and now part of the Victoria and Albert Museum collections, were analysed non-destructively and in situ in the Museum by Raman microscopy in order to determine the identities of the pigments thereon. Carbon black, haematite, gypsum, indigo, lazurite, lead white, orpiment, pararealgar, red lead, vermilion and the As(4)S(4) chi-phase were detected. The detection of several arsenic-containing pigments (orpiment, pararealgar and the As(4)S(4) chi-phase), known to be poisonous and carcinogenic, has prompted strict health and safety protocols to be used when the objects are handled by museum staff or displayed in the galleries. This scientific study is the first to be carried out on any of the Samarra finds. (c) 2006 Elsevier Ltd. All rights reserved.
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