A short note on the archaeometric study of two sculptures in the Gabinetto Segreto of Naples National Archeological Museum: the ‘Pan and the She-Goat’ group and the ‘Bikini Venus’

Presented here are the results of an archeological and archaeometric study of two famous marble sculptures displayed in the Gabinetto Segreto of the National Archeological Museum of Naples: the “Pan and She-Goat” group from the Villa of the Papyri at Herculaneum and the statue of the “Bikini Venus” leaning on a statuette of Priapus from the House of Julia Felix in Pompeii. This study offers some art historical observations about the sculptures and the first minero-petrographic (polarizing microscopy on thin section and x-ray diffraction on powders) and isotopic (C and O stable isotope ratio) investigation of their marble types. The results indicate that the “Pan and She-Goat” group employed the statuary white Carrara variety, while the Parian lychnites was used for the “Bikini Venus”. Analyses proved also that the red finishing layer present on the latter statue is composed by sandyx.