|
USA | |
| P. Cristofono collection |
| AmMin 10:355-411 (1925) |
| Luetcke, Rolf (n.d.) Personal communication. |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
| Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021 King, Van (n.d.) Personal communcation. |
| P. Cristofono collection |
| www.mindat.org (n.d.) https://www.mindat.org/photo-1030587.html |
| King, Van (n.d.) Personal communcation. |
| Bill Bunn specimen and photo |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
Tamminen Quarry, Greenwood, Oxford County, Maine, USA