Valentinite from Ngawa Autonomous Prefecture (Aba Autonomous Prefecture), Sichuan, China
China | |
| Gu, X.X., Liu, J.M., Schulz, O., Vavtar, F., and Zheng, M.H. (2002): Ore Geology Reviews 22, 91-116. |
| Su Sun (1993): Gold Science and Technology 1(2), 4-10 |