缅甸是商业性翡翠主要产地, 危地马拉、 俄罗斯也有翡翠产出。 不同产地的翡翠价值差异较大, 其他产地的翡翠冒充缅甸翡翠以获取价格上涨。 迫切需要一种可靠方法来确定地理起源, 翡翠的产地研究具有重要的宝石学意义, 目前主要在翡翠生成时代、 矿物组合、 硬玉组分含量等方面探讨不同产地翡翠, 缺乏快速有效鉴别产地的方法, 以缅甸、 俄罗斯、 危地马拉翡翠为研究对象, 对不同产地翡翠样品的激光拉曼光谱特征研究发现: 缅甸翡翠矿物为硬玉、 绿辉石、 透闪石; 危地马拉翡翠矿物相对复杂, 为硬玉、 绿辉石、 绿泥石、 榍石; 俄罗斯翡翠矿物为硬玉、 钠长石、 绿辉石。 对比不同产地硬玉矿物拉曼特征发现, 缅甸翡翠硬玉矿物分别在1 037, 988, 697, 372和201 cm^-1等处显示硬玉的典型光谱特征。 在1 020, 679, 369和216 cm^-1处附近显示为绿辉石特征拉曼峰, 在215, 332, 394, 680和1 073 cm^-1 处有明显透闪石吸收峰, 为翡翠中的次生矿物。 危地马拉翡翠硬玉矿物多叠加680和218 cm^-1拉曼峰值, 为绿辉石特征的峰值, 还含有603, 537和306 cm^-1附近绿泥石特征拉曼光谱峰值, 表明危地马拉翡翠硬玉矿物多被Fe, Mg和Ca元素的类质同像替换, 形成硬玉-绿辉石固溶体矿物, 硬玉矿物表面检测出603, 537和306 cm^-1绿泥石特征拉曼光谱峰值, 硬玉矿物表面发生绿泥石蚀变。 俄罗斯翡翠硬玉拉曼峰值, 多叠加1 100, 507, 473和164 cm^-1附近钠长石特征拉曼峰值, 俄罗斯翡翠硬玉颗粒普遍被钠长石交代, 表面多分布灰绿色网脉, 显示1 025, 669, 366和219 cm^-1绿辉石矿物拉曼峰值。

Myanmar is the main commercial jadeite origin, Guatemala, Russia also have jadeite output. The value of jadeite from different origins varies greatly, and jadeite from other origins is impersonated as Burmese jadeite to get higher prices. Urgently need to be a reliable method to determine the geographic origin, the study of jadeite origin is of great significance in gemology. At present, jadeite from the different origins is mainly discussed in terms of jadeite generation age, mineral assemblage and jadeite component content, In this paper, jadeite from Myanmar, Russia and Guatemala is taken as the research object, lack of quick and effective ways to identify places of origins. The laser Raman spectroscopy of jadeite samples from different origins shows that the minerals of Jadeite from Myanmar are jadeite, chlorite and tremolite. The minerals of Guatemalan jadeite are relatively complex, including jadeite, omphacite, chlorite, titanite, uranite. The minerals of Russian jadeite are jadeite, albite and omphacite. By comparing the Raman characteristics of jadeite minerals from different origins, it is found that typical jadeite spectral characteristics show at 1 037, 988, 697, 372 and 201 cm^-1. At 1 020, 679, 369 and 216 cm^-1, it shows the characteristic Raman displacement peaks of chlorite, and there are obvious tremolite absorption peaks at 215, 332, 394, 680 and 1 073 cm^-1. tremolite is a secondary mineral in jadeite. Jadeite minerals from Guatemala are superimposed with Raman peaks of 680 and 218 cm^-1, which is the peak value of the omphacite feature, and also contain the Raman peaks of chlorite feature near 603, 537 and 306 cm^-1. The results indicate that jadeite minerals from Guatemala are mostly replaced by Fe, Mg and Ca elements, forming jadeite-chlorite solid solution minerals. Raman spectral peaks of chlorite are detected on the surface of jadeite minerals, at 603, 537 and 306, and chlorite alteration occurs on the surface of jadeite minerals. Russian Raman peaks of jadeite are superimposed with albitite Raman peak, at 1 100, 507, 473 and 164 cm^-1 . Jadeite minerals in Russia are commonly metasomatized by albite Gray-green reticulated veins are distributed on the surface, and Raman peaks of 1 025, 669, 366 and 219 cm^-1 are shown.