Longshan or Erlitou culture, c. 2000 BCE - c. 1700 BCE
18.8 x 4.7 x 0.3 cm (7 3/8 x 1 7/8 x 1/8 in.) unspecified: 45 g
Copper alloy
6th centuryByzantineGreenish gray, dark brown, and russet nephrite
5th-4th century BCEChineseSmoothly polished, opaque buff and cream-colored nephrite
14th-11th century BCEChinesePale green and creamy brown nephrite
5th-3rd century BCEChineseVery light green and cream-colored nephrite
5th-3rd century BCEChineseMottled brown nephrite
18th-19th centuryChineseTortoise shell
ChineseOpaque, greenish gray and buff stone with a smooth, matt surface
16th-11th century BCEChineseThin segment of moderately translucent, grayish brown stone
6th-5th century BCEChinesePartly translucent, greenish and brownish nephrite with advanced calcification
ChineseBronze with turquoise inlay
14th-11th century BCEChinesePale green, highly translucent nephrite with specks and areas of dark brown
11th-8th century BCEChinese