Fig. 10
From: New material connections in a mother-of-pearl Enconchado from the Viceroyalty of New Spain
Photomicrographs of areas in the frame showing A, B perforations running through the depth of the shell that have been partially filled with gesso, photographed at 150 × and 170 × magnifications, respectively. C Detail of a loss in the coral pastiglia exposing an area that shows the application of black paint over the shells to create marquetry-like contours, observed at 70 × magnification. D The irregular thickness of the red pastiglia accentuated with raking light illumination, captured at 63 × magnification