206 BCE - 220 CE
Diam. 4.2 × Thickness 0.6 cm (1 5/8 × 1/4 in.) 15 g
Whitish stone with stained surface
20th centuryGlass and quartz
13th centuryJapaneseSteel
17th centuryTibetanTranslucent light green nephrite with creamy white speckles caused by calcification.
12th-10th century BCEChineseStone
20th centuryChineseGilt bronze and iron
19th centuryTibetanStrongly translucent, apple-green nephrite with brown streaks and with opaque, light brown areas where calcification has taken place
11th-8th century BCEChineseUniformly dark olive-green, faintly translucent stone
2nd millennium BCEChineseModerately translucent, variegated bluish green and greenish gray nephrite
3rd-2nd century BCEChinesePale greenish nephrite with brown markings and streaks
5th-3rd century BCEChineseLight greenish gray nephrite with brown areas
5th-4th century BCEChineseBlack nephrite
11th-8th century BCEChinese