Fig. 5
From: New material connections in a mother-of-pearl Enconchado from the Viceroyalty of New Spain
A Detail of inlaid shells in the painting. B Intact shell Sample S2. C BSE image of Sample S2A showing the hexagonal fracture pattern of the unmounted and unpolished sample, 5000×. D BSE image of the mounted and polished Sample S2B showing the size of the nacreous layers, 5000×. Red brackets indicate one nacreous layer, approximately 450 nm thick. E Sample of Pinctada mazatlanica shell unpolished and unmounted, 5000× and F same sample, mounted and polished, showing analogous size and fracture pattern as Samples S2A and S2B in C and D, 5000×