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Article History

Received: 13 July 2018

Accepted: 19 September 2018

First Online: 29 September 2018

Authors’ information

: Guo Ying is a researcher of Mineralogy and Gemmology and an associated professor in School of Gemmology, China University of Geosciences (Beijing). He mainly focuses on data acquisition and storage of colorimetry, data compression, intelligent testing technology, micro and nano sensor, and testing technology. In recent years, he has completed several projects and published 51 research papers.Xiang Zong is the master of materials engineering in China University of Geosciences (Beijing), a researcher of gemological mineralogy, a certified gemologist of China. During the master’s degree, he mainly focuses on the data testing and analysis of the Colorimetry and the color evaluation of gemstone. He is also the manager of Beijing Huaxia Pawnshop Co., Ltd.Qi Ming is the lecturer of the Gemology Teaching and Research Section, Liaoning Geology Engineering Vocational College. She mainly focuses on gemstone identification and market research.Zhang Ye is a teaching assistant in Dehong Teachers’ College, Department of Science and Technology. She mainly focuses on the trade of precious jade stone and the identification of color, texture, and imitation of precious stone.Wang Huan is a teacher of Beijing City of Arts and Crafts Senior Technical School. She mainly focuses on data acquisition and storage of colorimetry, data compression, intelligent testing technology, micro and nano sensor, and testing technology. In recent years, she has completed several projects and published two research papers.

: We approved.

: We agreed.

: The authors declare that they have no competing interests.

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