| Zhang, Xuemei, Ji, Lei, He, Xuemei (2020) Gemological Characteristics and Origin of the Zhanguohong Agate from Beipiao, Liaoning Province, China: A Combined Microscopic, X-ray Diffraction, and Raman Spectroscopic Study. Minerals, 10 (5) 401 doi:10.3390/min10050401 | Journal (article/letter/editorial) | Origin of the Zhanguohong Agate from Beipiao, Liaoning Province, China: A Combined Microscopic, X-ray Diffraction...* School of Gemology, China University of Geosciences, Beijing 100083, China; xmzhang@cugb.edu.cn State...and Mineral Resources, China University of Geosciences, Beijing 100083, China; lji@cugb.edu.cn Correspondence:...Abstract: The Zhanguohong agate from Beipiao (Liaoning province, China), which occurs in the intermediate–felsic...composed of α-quartz and moganite, with minor hematite and goethite. The moganite content (17–54 wt%) | | | Book | Origin of the Zhanguohong Agate from Beipiao, Liaoning Province, China: A Combined Microscopic, X-ray Diffraction...to detailed studies of agates from Morocco [3], China [4], Russia [5–7], and Cuba [8]. This Special Issue...[4] studied Zhanguohong agates from Beipiao, Liaoning Province (China), hosted by intermediate-felsic volcanic...from yellow, to orange, and then to red when the hematite content increases and the goethite content decreases...zonation of the Fe-bearing particles (mixtures of hematite, goethite, and silica phases). Svetova and Svetov |
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