Chalcedony from selected localities.
USA | |
| Harold Moritz collection |
| Field collected by Michael Otto at a construction site near Bates Rd., Southbury, CT; Brace, John P. (1823), Miscellaneous Localities of Minerals. American Journal of Science: s.1, 6: 250-1. |
[var: Agate] Bill Barrett collection | |
Michael Otto collection |
Sawteeth Acres, Southbury, New Haven County, Connecticut, USA