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
Greenish brown and buff, slightly calcified nephrite, showing traces of cinnabar
11th-8th century BCEChineseLight green glass, with a brittle, creamy brown surface layer
3rd-1st century BCEChinesePale celadon-green nephrite with grayish-brown markings
5th-3rd century BCEChineseWhitish stone with stained surface
20th centuryBrownish yellow, faintly translucent, partly calcified nephrite
5th-3rd century BCEChineseStone
20th centuryChineseTranslucent, pale green, fine-grained nephrite with darker markings; surface polished smooth
2nd millennium BCEChinesePale greenish nephrite with tan markings
5th-3rd century BCEChineseA creamy gray-colored, fine-grained, opaque stone, polished to a soft sheen
4th-3rd millennium BCEChineseFine-grained, smoothly polished, dark grayish green, faintly translucent nephrite with irregular, lighter veins
16th-11th century BCEChineseCalcified, bone-colored nephrite
12th-11th century BCEChineseOpaque grayish yellow stone with brownish veins and black areas
19th-20th centuryChinese