Washington-based artist and researcher Heidi Gustafson forages, processes, and catalogs natural mineral samples for the Early Futures Ochre Archive. Ranging in color based on its elemental structure, ochre is crushed into a powder and used in various applications from art to medicine. With over 550 samples, Gustafson’s ever-growing archive has become a collaborative project withContinue reading "A Multicolored Library of the World’s Ochre Pigments Archived by Heidi Gustafson"