The finest of ceramic ware, which is fired to the highest temperature ranges, the term has come to reference all wares that are translucent as distinguished from Earthenware and Stoneware. Porcelain is usually made from clay, feldspar and flint and is often used for dinnerware, vases, and smaller sculpture. True porcelain ranges in color from white to grey and when struck, produces a clear tone. The original formula was developed in China during the T???ang Dynasty of the seventh century A.D. In the early 18th century, it was first produced in Europe. Source: Ralph Mayer, ???A Dictionary of Art Terms and Techniques???.