Tripod storage vessel (唐朝) Tang Dynasty(comma) Shaanxi province 618 – 906 CE. Earthenware with (三彩) sāncăi glaze. Táng tomb furnishings were famously covered with three colored glaze in very loose almost expressionistic decorations. The lead based glaze used oxides of iron (red) copper (green) and cobalt (blue) to create the colors. In the Táng era(comma) sāncăi objects would only have been seen by those people attending the entombment(comma) the glaze was not used for general consumption.