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所屬欄目：科技之光
所屬頻道：CCTV-10科教
年份：2010
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簡介：珍珠分為海水珠、淡水珠、人造珠這三類，海水珠柔淡高雅，呈現一種半透明的朦朧感覺。上等的海水珍珠以克論價。淡水珍珠色彩絢麗，形體多異，除八毫米以上的以外，其他的價值並不高。價格最便宜的就是人造珍珠。同樣的珍珠在海南價格差距很大，但是真的珍珠光澤由內而外，假的珍珠相互摩擦很光滑，而真的有天然基底紋，摩擦時有沙澀感。收起
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