首页 理论教育浸油处理提升祖母绿色彩

浸油处理提升祖母绿色彩

【摘要】:祖母绿通常都经过浸油处理,以改善祖母绿的颜色、提高净度,并且起到切磨加工时安全的作用。根据1997年国际珠宝首饰联盟的规则,祖母绿经绿色物质处理的必须注明“处理祖母绿”。·经有色油处理的祖母绿The filling of emerald fissures with colorless organic substance is regarded as an acceptable practice in international commerce and does not need to be declared. According to the World Jewelry Confederation however,emeralds treated with green-colored substance must be labeled as “treated emerald” .Oil filling-treat emerald show iridescence from the fracture. ·经无色油处理的祖母绿,在显微镜下有时仍然可见油脂物质彩虹的反光

(Emerald oil fracture filling)

祖母绿通常都经过浸油处理,以改善祖母绿的颜色、提高净度,并且起到切磨加工时安全的作用。通常用与祖母绿的折射率相近的如杉树油、雪松油等天然的植物油来做宝石的浸油处理。宝石界和商界一般都认可并接受无色油的处理。浸注处理的方法大致有无色油处理、有色油处理和树脂充填处理。根据1997年国际珠宝首饰联盟(CIBJO)的规则,祖母绿经绿色物质处理的必须注明“处理祖母绿”。因此要求出具权威鉴定机构的宝石鉴定证书是选购宝石的安全保障。

·经有色油处理的祖母绿

The filling of emerald fissures with colorless organic substance is regarded as an acceptable practice in international commerce and does not need to be declared. According to the World Jewelry Confederation (CIBJO) however,emeralds treated with green-colored substance must be labeled as “treated emerald” (CIBJO 1997).

Oil filling-treat emerald show iridescence from the fracture. (Bottom right)

·经无色油处理的祖母绿,在显微镜下有时仍然可见油脂物质彩虹的反光