Hematite from Huashugou Mine, Jingtieshan Fe-Cu ore field, Sunan Co., Zhangye, Gansu, China
China | |
| Shaofeng Guo, Xinyu Liu, Xinxin Sun, Shumin Fei, Wei Hong, and Ningning Ding (2013): Geology and Exploration 49(1), 123-129 Xiangxin Gao (2001): Geology and Prospecting 37(2), 32-36 |