Marcasite from selected localities.
USA | |
| Hobbs (1901) |
| Hobbs, W. H. (1901): The old tungsten mine in Trumbull, Conn. USGS Annual Report 22:7-22.; Shannon, Earl V. (1921b), Some Minerals from the Old Tungsten Mine at Long Hill in Trumbull, Connecticut. Proceedings U.S. National Museum: 58(2348): 469-482. |
J. Zolan Collec. |
Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA