A NEW TYPE OF COMPOSITE TURQUOISE

被引：8
|
作者：
Choudhary, Gagan [1 ]
机构：
[1] Gem Testing Lab, Jaipur, Rajasthan, India
来源：
GEMS & GEMOLOGY | 2010年 / 46卷 / 02期
关键词：
D O I：
10.5741/GEMS.46.2.106
中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
Several conspicuously colored specimens marketed as dyed and/or stabilized turquoise were recently examined. They were purple to purple-pink, yellow-green, and blue, in veined and unveined varieties. Testing revealed that all the specimens were composites of turquoise pieces bonded together; the purple to purple-pink and yellow-green samples were bonded with a colored polymer, and the blue ones had a colorless polymer. This article presents the gemological properties and EDXRF and FTIR analyses of this material, along with its reaction to the solvents acetone and methylene chloride.
引用
收藏
页码：106 / 113
页数：8
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