Molybdenite from Collins Hill, Portland, Middlesex County, Connecticut, USA
USA | |
| Rocks & Minerals (1955) 30:351-358 |
| Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8. Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy. |
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA