Diopside from selected localities.
USA | |
| Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut. |
| former Ronald Januzzi collection |
USA | |
| Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut. |
| former Ronald Januzzi collection |
Interstate 84 road cuts, Newtown, Fairfield County, Connecticut, USA