Ru ware: light gray stoneware body with pale bluish celadon glaze, the glaze with white to buff cloudiness due either to under firing or to burial (in the waste heap at the kiln site). From the Ru kilns, Henan province
12th centuryChineseCeramic
KoreanCeramic
KoreanTerracotta
GreekCeramic
ChineseBlackened gray earthenware
3rd millennium BCEChineseInlaid celadon ware: light gray stoneware with celadon glaze over decoration inlaid in white slip
14th-15th centuryKoreanTerracotta
GreekBlue-and-white ware: porcelain with decoration painted in underglaze cobalt blue
17th centuryJapaneseBlackened gray earthenware
3rd millennium BCEChineseTerracotta
5th century BCEGreek