Fig. 6

a, b Detail of object LM-11990.2, area presenting light blue 2, with location of Str_05, c p-FTIR analysis; d micro photo in Vis-light of cross section LM11990.2_str_05 where 2 layers are visible: 2- lapis lazuli and lime, 1-transfer adhesive; e Raman spectrum of layer 2. For the general location of the sample see Fig. S1b