Figure 2From: Identification of artificial orpiment in the interior decorations of the Japanese tower in Laeken, Brussels, Belgium Cross-sectional photomicrographs of samples (a) C90.065 and (b) C90.101 under ultraviolet illumination. C90.065 clearly shows color-modified pigment particles in the upper part of the vermilion layer (darkening) while C90.101 does not exhibit any sign of color-changed pigments.Back to article page