Sites listed here will offer information on the art and craft of working in porcelain. Sites will be non-commercial and may include artists' portfolios and galleries, studios, education and resources. Porcelain is a ceramic material made by heating selected and refined materials often including clay in the form of kaolinite to high temperatures. A clay body which, when fired, becomes very mature and usually translucent. Porcelain is normally quite white and fires to a very smooth pleasant surface.