This Orange Ochre is mined in France, and is 100% natural. The mean particle size is 15.3314 µm – and the chemical com,position is Kaolinite-Goethite. It has strong coloring power and great lightfastness. This particular Orange Ochre was selected for compatibility with other Art Treehouse Ancient colours. Made with Walnut oil to preserve color and minimize yellowing.
CI: Py 42 – Pr 102