Zircon from selected localities.
USA | |
| [var: Cyrtolite] Januzzi, Ronald E. (1976), Mineral Localities Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut. |
| Weber, Marcelle H. and Earle C. Sullivan. (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70 (6): 396; Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut. |
| Earle C. Sullivan Collection specimen #20-11-P; Earle C. Sullivan Collection specimen #20-11-P |
| Ryerson, Kathleen H. (1972) Rockhouns Guide to Connecticut |
Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA