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
Pale green and ivory-colored, slightly calcified nephrite
4th-3rd millennium BCEChineseOpaque brownish gray nephrite enclosing a large area of translucent bluish green nephrite with whitish clouds
4th-3rd millennium BCEChineseTranslucent, evenly pale green nephrite with a few brown markings
3rd millennium BCEChineseDark gray-green stone with black areas and light markings
3rd millennium BCEChineseA creamy gray-colored, fine-grained, opaque stone, polished to a soft sheen
4th-3rd millennium BCEChineseMottled whitish nephrite with sparse black veins
4th-3rd millennium BCEChineseVariegated brown and yellow nephrite
4th-3rd millennium BCEChineseEvenly dark green nephrite
3rd millennium BCEChineseOlive-green and brownish nephrite
3rd millennium BCEChineseMottled green, gray, and black nephrite with whitish veins
4th-3rd millennium BCEChineseMottled green, bluish green, and buff nephrite
5th-3rd millennium BCEChineseLight bluish green and bone-colored nephrite with a lustrous polish
4th-3rd millennium BCEChinese