Quartz from selected localities.
USA | |
| Dale, T. Nelson and Gregory Herbert E. (1911): The Granites of Connecticut (USGS Bulletin 484). |
Dale, T. Nelson and Gregory Herbert E. (1911): The Granites of Connecticut (USGS Bulletin 484). | |
[Chalcedony var: Agate] John Burnham |
Harkness Memorial State Park, Waterford, New London County, Connecticut, USA