Byssolite from Connecticut, USA
USA | |
| Former Ronald Januzzi collection |
| Miller, F. W. (circa 1986), Hydrothermal Quartz and Barite Veins in the Basalt of New Britain, Connecticut. Harvard University Mineralogical Musum Association. |
| Robinson (1825) |
| Former Ed Force collection |
Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA