Chalcocite from Ningqiang County, Hanzhong, Shaanxi, China
China | |
| Zilin Qi (1976): Geology and Prospecting 12(4), 28-35 |
| Huaikui Tu (1998): Journal of Precious Metallic Geology 7(4), 281-287 |
China | |
| Zilin Qi (1976): Geology and Prospecting 12(4), 28-35 |
| Huaikui Tu (1998): Journal of Precious Metallic Geology 7(4), 281-287 |