MOESM1 of In situ non-invasive multianalytical methodology to characterize mosaic tesserae from the House of Gilded Cupids, Pompeii

Additional file 1: Figure S1. Detached red tessera from the mosaic. Figure S2. Representative DRIFT spectra of red and orange tesserae (red) and calcite standard (black). Figure S3. Representative Raman spectrum of white tesserae. Figure S4. Normalized net counts of S in different white tesserae. Figure S5. Representative Raman spectrum of black tesserae and leucite standard. Figure S6. Mean values of Fe/Ca normalized net counts of red and orange colored tesserae. Figure S7. Ca and Fe lines intensity variation after 28 shots obtained by means of LIBS.