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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: An analytical study of the Huexotzinco Codex using X-ray fluorescence, fiber optic reflectance spectroscopy, and portable Fourier-transform infrared spectroscopy

Fig. 7

Digital photograph of Painting III, along with microscope images (taken with a ×20 objective) and respective FORS, ER-FTIR, and XRF analysis from the blue, green, and yellow Flower glyphs and the yellow Rabbit glyph. An intact diatom is highlighted in the inset microscope image from the Rabbit (taken with a ×50 objective). Peaks associated with Maya blue (indigo, sepiolite, palygoskite) and silicates due to diatomaceous earth are marked in the spectra

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