常见绿松石品种特征及充填处理的鉴定
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Characteristics of common natural turquoise and identification of impregnated turquoise
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    摘要:

    总结了我国市场上大量常见的不同产地的天然绿松石的特征,同时对比我国市场常见的充填处理绿松石的特征,研究了天然与充填处理绿松石的一般鉴别特征,发现处理绿松石的颜色深浅、颜色分布、包裹体、外观与天然绿松石均有较大的区别。还利用红外光谱对天然的和充填处理的绿松石进行了测试,发现充填处理绿松石在1 735、1 600、1 500 cm-1附近可见吸收峰,表明绿松石内部充填了人工类树脂,可作为鉴定充填处理绿松石的有力证据。

    Abstract:

    As more and more treated turquoises appear on Chinese gem market, the authors collected lots of turquoises from different deposits on Chinese gem market in order to sum up the characteristics of the natural turquoises on Chinese gem market. At the same time, different types of treated turquoises were studied to find general difference between them and natural turquoises. The results show that natural turquoise and treated turquoise have different shades of color, inclusions and appearances. IR spectra of both natural and treated turquoises were studied, indicating that there are absorption peaks at 1 735, 1 600 and 1?500 cm-1 in treated turquoises, which are caused by the man-made polymer. If the turquoise is treated by polymer, there are absorption peaks at 1 735, 1 600 and1 500 cm-1 in a turquoise, and this can serve as convincing evidence in this aspect.

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罗跃平,邓旺晖,段体玉,等, 2011. 常见绿松石品种特征及充填处理的鉴定[J]. 岩石矿物学杂志, 30(Z1):181~186.
LUO Yue-ping, DENG Wang-hui, DUAN Ti-yu, et al, 2011. Characteristics of common natural turquoise and identification of impregnated turquoise[J]. Acta Petrologica et Mineralogica, 30(Z1): 181~186.

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  • 收稿日期:2011-05-14
  • 最后修改日期:2011-07-08
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