Jadeite jade,also called Feicui in China,is the most popular jade variety and one of the best selling gems in China.Colour and transparency are the primary quality factors that determine the value of Feicui.Jadeite ja...
Hubei Jewelry Engineering Technology Research Center(CIGTXM-03-202001);Sub-project of Gem and Material Technology Engineering Research Center of Yunnan Provincial High School(ZX20200201)。
Tengchong,an ancient border town located in southwest China,has more than 500years of history in the trading and processing of jadeite.It is an important distribution center for jadeite and the birthplace of China’s ...
supported by the National Natural Science Foundation of China(Grant Nos.51172089 and 51171070);the Graduate Innovation Fund of Jilin University,China(Grant No.2016065)
The high pressure and high temperature(HPHT) method is successfully used to synthesize jadeite in a temperature range of 1000℃–1400℃ under a pressure of 3.5 GPa. The initial raw materials are Na2SiO3·9H2O and Al...
In order to make more available methods for natural jadeite quality evaluation,this study applied rigorous coupled wave theory to calculate and simulate the reflection characteristics of various natural jadeites,and e...
financial support by "the Fundamental Research Funds for the Central Universities"
We tested 288 pieces of the polished cabochon jadeite-jade with high quality green and smooth surfaces using the colorimeter Color i5 based on the CIE 1976 L*a*b* uniform color space. The color changes after altern...
Optical Coherence Tomography (OCT) technique is a nondestructive optical detection technology based on low-coherence interferometer and it has become an attractive cultural heritage research method. A 1310 nm source s...
supported by the National Natural Science Foundation of China (grants No.41172051 and 41472042);the Specialized Research Fund for the Doctoral Program of Higher Education of China (grant No.20060491504)
Hydrogen incorporation is critical for explaining defect energies, structure parameters and other physical characteristics of minerals and understanding mantle dynamics. This work analyzed the hydrogen complex defects...
supported by the Research Projects of China(Grants Nos.2009CB825003,41002068);the State Key Laboratory of GPMR(Grant No.MSF-GPMR 200911);China University of Geosciences(Grant No.CUGL090204)
Jadeite quartzite, essentially a two-phase rock made up of jadeite and quartz, is one of the most important UHP lithologies occur- ring in the Dabie Mountain ultrahigh pressure metamorphic belt and forms layers in bio...
supported by the National Natural Science Foundation of China(Nos.41172051,40872039 and 90714002);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20060491504)
The structural properties of jadeite at high pressures (0.000 1-30 GPa) are investigated using plane-wave pseudopotential density functional theory method. As a function of pressure, the monoclinic cell parameters w...