|
USA | |
| Barton, W. & C. E. Goldsmith (1968) New England Beryllium investigations. US Bureau Mines RI 7070 |
| King, Van (n.d.) Personal communcation. |
| Bastin, Edson S. (1910): Economic Geology of the Feldspar Deposits of the United States. U. S. Geol. Survey Bull. 420. |
| Dana 6:892 & 1060. |
| Moritz, Harold (n.d.) Personal Communication. |
| Moritz, Harold (n.d.) Personal Communication. |
| Field observations |
| Field observations |
| Field observations |
| Betts (1999). King, Van (n.d.) Personal communcation. |
| Field observations. |
| Field observations |
| Field observations. |
| Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121. |
| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.148 |
| Rocks and Minerals (1999) 74:110-121 Personally collected by Kevin Czaja. |
| Field observations |
| Field observations. |
| Rocks and Minerals (1999) 74:110-121 |
| Field observations |
| Field observations |
| Field observations |
| Field observations |
| Bastin, Edson S. (1910): Economic Geology of the Feldspar Deposits of the United States. United States Geological Survey Bulletin 420, Government Printing Office. |
| Bastin, Edson S. (1910): Economic Geology of the Feldspar Deposits of the United States. United States Geological Survey Bulletin 420, Government Printing Office. |
| Field observations |
| Field observations |
| Field observations. |
| Rocks & Min 74:121 (1999) Rocks and Minerals (1999) 74:110-121 |
| Field observations |
| Field observations |
| Field observations |
| Field observations |
| Field observations |
| Field observations |
| Field observations |
| Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121. |
| Field observations |
| Davis, Fred E. and Stefan Nicolescu. (2011): Samarskite Rediscovered at the Spinelli Prospect, Glastonbury, Connecticut. Bulletin of the Peabody Museum of Natural History: 52(1):135-152. |
Simpson Quarry, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA