Porcelain

Elizabeth X wore a mask of air-balanced porcelain which stayed on by itself as it was perfectly sculpted to her face. (TV: The Beast Below)

Marianne Till had porcelain fillings in her molars. (PROSE: Slow Decay)

Maria Mazzini liked to collect porcelain cats. (AUDIO: Serpent in the Silver Mask)

Porcelain was also known as china. The Fourth Doctor thought it probable that Adam Colby and Jack Tyler were enjoying plum cake in the safety of Mrs Tyler's cottage, "off her best china", after the destruction of Fetch Priory. (TV: Image of the Fendahl)