A systematic study shows that to detect and judge the colloidal fillings accurately is the key to judge a treated jadeite(Class B) accurately and is the only criterion.

Identification of several yellow imitations of jadeite commonly seem on the market;

Application of Raman Spectrometer(785 nm)to Jadeite Test;

Jadeite texture features and their influences on the jadeite's quality;

Color difference of green jadeite jade in even color space;

The Study of Applying the Petrological and Mineralogical Characteristics to Commercial Grading and Appraising of Jadeite Jade;

Main colour of the crust of jadeite jade includes yellow,white,black,red and so on,which is the secondary colour,whereas other colour called the primary colour often distributes irregularly.

Identification of B Jade by Raman Spectroscopy;

The preliminary exploration of the development of yangmei jade market;

Mineral appearance and components of jades with different color were observed and analyzed by electronic probe microanalysis.