Han dynasty or later
Diam. 10.5 × Thickness 0.5 cm (4 1/8 × 3/16 in.) Diameter of hole 4 cm (1 9/16 in.)
Thin segment of moderately translucent, grayish brown stone
6th-5th century BCEChineseBlack nephrite with very faint markings
2nd millennium BCEChineseLight greenish gray nephrite with brown areas
5th-4th century BCEChineseMildly translucent, light gray nephrite
12th-10th century BCEChineseLight gray, greenish, and bone-colored, faintly translucent stone
6th-5th century BCEChineseTranslucent, pale greenish nephrite with buff and gray markings
4th-3rd millennium BCEChineseSoft green nephrite with calcified areas which have turned white and opaque
12th-11th century BCEChineseTranslucent, bluish celadon-green nephrite with whitish streaks at the perimeter
3rd century BCE-3rd century CEChineseMottled bluish gray-green nephrite with darker markings
4th-3rd millennium BCEChineseGilt bronze
8th centuryChineseStone
20th centuryChineseMottled dark green translucent nephrite with light gray markings
4th-3rd millennium BCEChinese