Talc from Fengning County, Chengde, Hebei, China
China | |
| Yuzeng Yao, Haibo Liu, Junhong Liang, Chengzhu Jin, and Jiaoguo Wang (1999): Gold Journal 1(4), 242-244 |
Fengjun Nie, Wanyi Zhang, Sihong Jiang, and Yan Liu (2007): Earth Science Frontiers 14(5), 167-176 |