A Chinese amethyst and rock crystal court necklace, chao zhu 20th century Formed of 108 amethyst beads with mottled whitish inclusion, divided by three large rock crystal beads, the centre suspending a rock crystal beiyun ('back cloud') oval plaque, terminating in tear-shaped rock crystal bead, the amethyst beads of approx. 1.5cm diameter, the large rock crystal beads 2.5cm diameter, the beiyun 3.5cm across. 二十世紀 紫水晶朝珠

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