Chalcocite from Baiyinchang ore field, Baiyin District, Baiyin, Gansu, China
China | |
| Bingbin Yang (1979): Geology and Prospecting 15(2), 54-58 |
Bingbin Yang (1979): Geology and Prospecting 15(2), 54-58 |
China | |
| Bingbin Yang (1979): Geology and Prospecting 15(2), 54-58 |
Bingbin Yang (1979): Geology and Prospecting 15(2), 54-58 |