probably Shijiahe culture, c. 2500 BCE - c. 2000 BCE
4.7 x 2.8 x 1.2 cm (1 7/8 x 1 1/8 x 1/2 in.) unspecified: 35 g
A creamy gray-colored, fine-grained, opaque stone, polished to a soft sheen
4th-3rd millennium BCEChineseTranslucent, variegated light and dark green nephrite with light brown areas at opposite arcs
4th-3rd millennium BCEChineseDeep black stone
3rd millennium BCEChineseBlack and blackish green stone
3rd millennium BCEChineseNephrite of two shades of celadon-green with cream-colored spots
4th-3rd millennium BCEChineseIrregularly rounded, sturdy disk of a fine-grained, mottled dark brown stone
4th-3rd millennium BCEChineseTranslucent, pale celadon-green nephrite
4th-3rd millennium BCEChineseLight milky brown stone with a few darker veins
3rd millennium BCEChineseBlackish green, fine-grained nephrite
4th-3rd millennium BCEChineseBluish gray-green stone with dark gray veins and a few buff areas
3rd millennium BCEChineseMottled gray-green and dark brown stone
3rd millennium BCEChineseMottled black and light gray nephrite
3rd millennium BCEChinese