Egyptian blue in Iron Age Iran points to ancient connections

Egyptian blue, considered the world's earliest synthetic pigment, was prized for its stable blue hues and served as a common blue paint in Egypt as early as 5,000 years ago, as well as the base material for small items such as beads and vessels in later periods.

Source: [Phys.org](https://phys.org/news/2026-08-egyptian-blue-iron-age-iran.html)