Fig. 7From: A multi-analytical approach to identify ancient pigments used in pottery towers excavated from the Han Dynasty tombsObservation images of pottery tower fragments for three types of pigments. The top row presents an optical microscopic image of the three types of pigments, the middle row SEM images, and the bottom row polarized-light microscopic images (A DAM11-37, E DAM1-30, I DAM15-71, B, F, J SEM image, C, D, G PPL; H, K, L XPL)Back to article page