Materials · c. 4,000 BCE

Faience

Glazed quartz ceramic in brilliant blue-green.

Faience was made in Egypt and Mesopotamia by the 4th millennium BCE. Its glazes are the direct forerunner of glass.

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 1