Fig. 4From: Systematic study of wall painting of the twelfth century from the Christ’s Transfiguration Cathedral of the Mirozhsky Monastery in Pskov (Russia) by complementary physico-chemical methodsResults of investigations of samples 14–18: optical microscopy micrographs made at × 100 magnification (a, e, i, m, q), polished cross-sections (b, f, j, n, r), pigments observed in plane polarized transmitted light (c, g, k, o, s) and between crossed polarizers (d, h, l, p, t)Back to article page