Montgomeryite from
USA | |
| Dunn, P.J., Roberts, W.L., Campbell, T.J., and Leavens, P.B. (1983) Red Montgomeryite and associated minerals from the Tip Top Pegmatite with notes on kingsmountite and calcioferrite. The Mineralogical Record: 14(3): 195-197. Rocks & Minerals: 60: 117. |
| Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635 |
| Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press |
| Rocks & Minerals: 57: 160 &/or 60: 110 & 112. |
Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA