The discovery might illuminate the link between the blue pigment's ancient Egyptian roots and its rediscovery by Renaissance ...

A study led by Rimtautas Dapschauskas found evidence that humans were using ocher pigments at sites across southern and eastern Africa between 500,000 and 330,000 years ago, according to IFLScience.

Hematite: An iron oxide mineral that is commonly used as a pigment due to its reddish color. Ochre: A natural clay earth pigment that ranges in color from yellow to deep orange or brown ...