Rose quartz
19th-20th centuryChineseBlackware
3rd millennium BCEAnatolianTerracotta
5th century BCEGreekNorthern black ware of Cizhou type: light gray stoneware with dark brown glaze
10th-11th centuryChineseTerracotta
6th century BCEGreekQingbai ware: porcelain with pale sky-blue glaze
12th-13th centuryChineseBlue-green glass
Graeco-RomanHard-paste porcelain with polychrome enamel decoration
20th centuryGermanTerracotta
5th-4th century BCEGreekSilver
18th centuryBritishTin-glazed earthenware
16th centuryItalianSplashed Jun ware: light gray stoneware with robin's-egg blue glaze enlivened with purple suffusions from copper filings
12th-13th centuryChinese