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Fig. 9: XRF spectrum of the green paint in the scene depicting Virgin Mary (Koukoulli and Fischer 2011–2012)

Fig. 9: XRF spectrum of the green paint in the scene depicting Virgin Mary (Koukoulli and Fischer 2011–2012)

Fig. 9: XRF spectrum of the green paint in the scene depicting Virgin Mary, orans (Bema, east wall), showing the prominent presence of arsenic (As). The iron (Fe) is from celadonite and calcium (Ca) from the plaster (calcium carbonate).