1. A CERAMIC ARTICLE HAVING A REDSISH COLORATION AND POSSESSING PROPERTIES MAKING IT AVAILABLE FOR USES WHERE CLAY AND SHALE CERAMIC PRODUCTS ARE EMPLOYED COMPRISING, IN THE FORM OF A SHAPED, DENSE, CERAMIC STRUCTURE, REFRACTORY PARTICLES COMPRISING COAL-ASH SLAG PARTICLES BOUND BY INTERFACIAL FUSION TO AND IN A CONTINUOUS MATRIX CONSISTING OF AT LEAST 80% OF THERMALLY MERGED FLY ASH, ANY REMAINDER OF SAID MATRIX BEING MATERIAL FUSIBLE WITH SAID FLY ASH AND FORMING THEREWITH SAID CONTINUOUS MATRIX, AND SAID COAL-ASH SLAG BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 5% AND ABOUT 80% BASED ON THE WEIGHT OF THE COALASH SLAG AND FLY ASH PRESENT IN THE PRODUCT, SUBSTANTIALLY ALL OF THE IRON IN SAID FLY ASH BEING PRESENT IN THE FERRIC STATE.