possibly Dawenkou culture, c. 4300 - c. 2500 BCE
L. 16.5 x W. 13.2 x Thickness 0.7 cm (6 1/2 x 5 3/16 x 1/4 in.) Weight 325 g
Originally dark green, but now largely calcified and discolored nephrite
11th-8th century BCEChineseStone
ChineseMottled dark green translucent nephrite with light gray markings
4th-3rd millennium BCEChineseMottled greenish gray nephrite with light markings and signs of incipient calcification
ChineseLight brownish, strongly translucent nephrite
4th century BCEChineseMilky bluish green and whitish nephrite
11th-8th century BCEChineseMottled light green translucent nephrite
11th-8th century BCEChineseDark olive-green neprhite with cream-colored streaks
5th-3rd century BCEChineseStone
20th centuryChineseFine-grained grayish black stone
11th-10th century BCEChineseBluish-green and gray stone with buff markings
4th-3rd millennium BCEChineseFinely polished, partly calcified light brown nephrite
11th-8th century BCEChinese