Fourmarierite from New Hampshire, USA
USA | |
| Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261 Frondel, Clifford (1956) Mineral composition of gummite. American Mineralogist, 41 (7-8) 539-568 |
| Rocks & Min. 80:256 (2005) Rocks & Minerals 80:4 pp234-241 |