Pigment used in Aboriginal art (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
ochre
(Other definitions for ochre that I've seen before include "Yellow-orange hue" , "Mineral pigment; chore (anag.)" , "What gives a yellow colour" , "Pale brownish-yellow colour or pigment" , "Yellow-orange pigment" .)