Powellite from Yunnan, China
China | |
| Weiji Zhang (1982): Geology and Prospecting 18(6), 42-43 |
| Chengdian Pen (1986): Mineral Deposits 5(3), 37-48 |
China | |
| Weiji Zhang (1982): Geology and Prospecting 18(6), 42-43 |
| Chengdian Pen (1986): Mineral Deposits 5(3), 37-48 |