Fig. 7From: Colour identification, degradation processes and findings in a fifteenth-century Book of Hours: the case study of Cofre n.º 31 from Mafra National Palacea Orange fruit (f.91r); b µ-Raman spectrum of minium (fruit, f.91r); c strawberries made up with minium, vermilion and a red organic lake (f.91r); d µ-EDXRF spectrum showing high peaks of Pb and Hg evidencing the presence of minium and vermilion (strawberries, f.91r)Back to article page