Yuyao

…first made at Yuezhou (present Yuyao), Zhejiang province, during the Han dynasty, although all surviving specimens are later, most belonging to the Six Dynasties (220–589 ce). They have a stoneware body and an olive or brownish green glaze and belong to the family of celadons, a term that looms large…

…“Cha Jing,” the celadons of Yuezhou in Zhejiang are ranked for their jadelike quality first among the wares suitable for tea drinking, followed by the silvery Xing ware. Yue celadons from kilns at Yuyao and a number of other sites in Zhejiang were also exported, and quantities of fine Yue…