Fig. 1: Synthesized Egyptian blue samples.
From: Assessment of process variability and color in synthesized and ancient Egyptian blue pigments
a Optical image; b quantitative X-ray diffraction; values to the left are standardless (only crystalline phases are quantified); values shown at right for AR1, AR2, MR1, and MR2 include an internal ZnO standard so the amorphous phase is additionally properly quantified.
