Decorative 18th Century Blue-and-White Portuguese Tile Panels: A Type-Case of Environmental Degradation
Figure 2
X-ray diffraction pattern of the ceramic body collected by direct irradiation of a tile fragment. Identified crystalline phases: C—calcite (CaCO3), G—gehlenite (CaAl2SiO7), and Q—α-quartz (SiO2). The most intense line of each phase is assigned in bold.
