宝玉石改色原理与辐照改色宝石的残余放射性

传统的宝石改色是以泰国的还原热处理工艺为代表，现已逐渐被人们所接受。现代科技与珠宝工艺相结合，出现辐照改变宝石颜色，然而，部分宝石因辐照而带有残余放射性，对消费者造成伤害．本文指出了宝玉石射线来源与防护措施。

The Principle of Changing Gems Colour, and Its Remander Radiativity

he representative of traditional craft in changing gems colour is the heat treatment method ofTailand, which is getting to be known by people. Combined with modern technology and jewellery craftsmanshipleads up to the use of irradiation in changing gems colour. But some of these changed gems have remandar radiativity,which may bring harm to the customers. This article aims to Point out the source of the radiativity and theways to avoid the harm that radiativity may produce.