Sancai refers to a glazing tradition from China's Tang dynesty (~600-900 CE) which utilises green, purple and brown glaze. The glaze is lead based laid on white earthenware items. Due to the mobile nature of the glaze, if often has carved borders to assist in retaining the glaze. Some scholars suggest the Chinese dishes influenced the sgraffito work of Europe.
The final image in this post indicates that even when the art forms of glazing was highly refined, the translucent green was utilized despite it's dubious nature.
