Reddle

Reddle — A clay and red ochre mixture resembling argillite, but softer.

Tseh So, a Small House Ruin, Chaco Canyon, New Mexico : 1937

Reddle spreads its lively hues over everything it lights on, and stamps unmistakably, as with the mark of Cain, any person who has handled it half an hour.

The Return of the Native 1878