Fig. 9From: Integrated analytical approach to unveil the secrets of the recently discovered “Sphinx Room”: a new piece of Domus Aurea puzzleDRIFT spectra of samples: a Frag2_BL, b Frag1_Y, c Frag1_W, d G, e B2, f B1. Red dotted lines and positions: calcite; grey areas: probable organic binderBack to article page