probably 1100 - 771 BCE
H. 2.1 x W. 3.5 x D. 0.3 cm (13/16 x 1 3/8 x 1/8 in.) Weight 5 g

Domesticated cattle rib bone
2nd century BCEOlive-green nephrite
1st millennium BCEChineseLight bluish gray translucent nephrite
11th-8th century BCEChineseStrongly translucent, white, yellowish, and brown jade with a lustrous polish
3rd-2nd century BCEChineseTranslucent, pale brownish-green nephrite
4th-3rd century BCEChineseCreamy white nephrite with dark green markings, polished to a brilliant gloss
4th-3rd millennium BCEChineseOpaque, bone-colored nephrite
11th-8th century BCEChineseBlack nephrite
2nd millennium BCEChineseOpaque greenish nephrite, largely calcified
12th-11th century BCEChineseGilt bronze
19th centuryJapaneseSpeckled dark greenish and buff jade; traces of cinnabar
11th-8th century BCEChineseDark olive-green nephrite with discolored buff areas
3rd century BCE-3rd century CEChinese