|
China | |
| He, X. (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, 401. Zhang, X. Ji, L. |
| Fan, D., Ye, J., and Li, J. (1999): Ore Geology Reviews 15(1), 31-53. |
| Dejuan Wen, Shouren Teng, Changchun Liu, and Aijun Wu (2013): Geophysical and Geochemical Exploration 37(6), 998-1002, 1007 |
| www.mininglife.com (2005) http://www.mininglife.com/operations/operationdetail.asp?Property=Beigou |