Helvine from Inner Mongolia, China
China | |
| Ottens, Berthold, Neumeier, Günther (2012) The Huanggang mine, Inner Mongolia, China. The Mineralogical Record, 43 (5) 529-563 |
Ottens, Berthold, Neumeier, Günther (2012) The Huanggang mine, Inner Mongolia, China. The Mineralogical Record, 43 (5) 529-563 | |
Martin Slama Collection, new find 2022 | |
| Zhongxin Yuan and Ge Bai (1997): Geology and Prospecting 33(1), 42-48 |
| Jiang Bin specimen |
No. 1 Mine, Huanggang Fe-Sn deposit, Hexigten Banner, Chifeng City, Inner Mongolia, China