“永楚料”翡翠的宝石学研究

Gemmological Study on Jadeite Called“Yongchuliao”in Jewelry Trade

"永楚料"是近期我国翡翠批发市场上出现的一个新品种,对若干"永楚料"样品进行了常规宝石学测试及大型仪器测试。测试结果表明,"永楚料"样品的主要矿物组成是绿辉石,可含少量钠长石。"永楚料"的密度、折射率、结构等测试结果符合国家标准中所规定的翡翠鉴定特征,"永楚料"是一种绿辉石质翡翠。

Recently,＂Yongchuliao＂as a new type of jadeite appeared in Chinese wholesale market.Several＂Yongchuliao＂samples were collected and a series of conventional gemmological tests and large equipment tests were conducted.The testing results show that the main mineral conponent of＂Yongchuliao＂samples is omphacite,or with a small amount of albite.The testing results of density,refractive index and structure of＂Yongchuliao＂accord with the requirements of national standards in the jadeite identification features.As a result,＂Yongchuliao＂is a kind of omphacitic jadeite.