Supporting analytical dataset for "Chromophore Distribution and Tin-Bearing Microdomains in Arsacid Alkaline Glazes"

This dataset supports the research article entitled "Chromophore Distribution and Tin-Bearing Microdomains in Arsacid Alkaline Glazes". It contains the complete analytical data underlying the petrographic observations, SEM–EDS analyses, elemental mapping, and portable micro-XRF results presented in the manuscript. The dataset includes analytical data for 36 Arsacid alkaline-glazed ceramic samples from Babylon, the Susan Plain, and Shahr-e Qumis. The data are provided to ensure transparency, reproducibility, and compliance with the journal's data availability policy.