Journal of Materials / 2013 / Article / Fig 3

Research Article

Decorative 18th Century Blue-and-White Portuguese Tile Panels: A Type-Case of Environmental Degradation

Figure 3

XRD patterns obtained for irradiated areas in the studied glaze: blue-and-white glaze, white glaze, and green stain. Identified crystalline phases: S—cassiterite (SnO2); Q—α-quartz (SiO2); Cr—cristobalite (SiO2). ?: doubtful identification. The contribution of an amorphous phase is assigned.
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