probably Longshan culture, c. 2500 BCE - c. 2000 BCE
Diam. 16.2 x Thickness 0.3 cm (6 3/8 x 1/8 in.) 109 g
Variegated brown and yellow nephrite
4th-3rd millennium BCEChineseMottled gray-green and dark brown stone
3rd millennium BCEChineseMottled green, gray, and black nephrite with whitish veins
4th-3rd millennium BCEChinesePale sea-green nephrite turned mottled brown and buff on the exterior
4th-3rd millennium BCEChineseMottled bluish gray-green nephrite with darker markings
4th-3rd millennium BCEChineseBlack and blackish green stone
3rd millennium BCEChineseBluish gray-green stone with dark gray veins and a few buff areas
3rd millennium BCEChineseTranslucent, pale green nephrite
3rd millennium BCEChineseBlackish brown nephrite, turning deep gold-brown at the translucent edges
3rd millennium BCEChineseGray-green nephrite with light and dark brown cloud-like markings
3rd millennium BCEChineseTranslucent, evenly pale green nephrite with a few brown markings
3rd millennium BCEChinesePale green nephrite with russet markings and a dark brown spot
4th-3rd millennium BCEChinese