Terracotta
GreekLongquan celadon ware: molded, pale gray stoneware with lightly crackled, bluish green celadon glaze. From the Longquan kilns in Zhejiang province
12th-13th centuryChinesePale olive-green glass
RomanCeramic
14th centuryKoreanTerracotta
RomanCeramic
Central AsianCeramic
EgyptianBlackened gray earthenware
3rd millennium BCEChineseLight gray stoneware with celadon glaze
Korean