Ocher continued to be used as a pigment throughout antiquity and was even used by artists in medieval times and the Renaissance, as well as in modern times, Pettitt said.

At her cabin in the woods of Washington, Heidi Gustafson is creating a many-colored library of one of mankind’s first pigments. By Alex Ronan Heidi Gustafson has Whidbey Island’s Double Bluff ...

The pigment yellow ocher is known for its ability to change to a reddish hue when subjected to intense heat, a transformation that could feasibly occur during a volcanic eruption.

A new study of a rock feature stained red in a cave in southern Spain has concluded that red pigment made from ocher was intentionally painted, most likely by Neanderthals, refuting earlier ...

73,000 years ago, someone drew a cross-hatch pattern in ocher on a stone flake. 73,000 years ago, ... curved face using an iron-rich pigment called ocher.

Unlike ocher and realgar, which occur naturally, Egyptian blue is a synthetic pigment produced by firing a mixture of silica, limestone and minerals containing copper and sodium carbonate at high ...

Archaeologists excavating the Domus Aurea, Emperor Nero’s vast imperial residence in ancient Rome, have discovered containers still carrying the splendid pigments artisans used to decorate the ...

Ocher is an iron-rich material that humans around the world have used for hundreds of thousands of years. The pigments were used to mix a vibrant slurry in abalone shells in South Africa around ...