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USA | |
| Moore, Paul B. (1973) Pegmatite Phosphates: Descriptive Mineralogy and Crystal Chemistry. The Mineralogical Record, 4 (3) 103-130 |
| 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, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. USGS Bull 445 |
| King, Van (n.d.) Personal communcation. |
| en.wikipedia.org (n.d.) https://en.wikipedia.org/wiki/Childrenite www.mindat.org (2003) https://www.mindat.org/min-1003.html (n.d.) (n.d.) |
| www.mindat.org (2020) https://www.mindat.org/photo-967521.html www.mindat.org (2003) https://www.mindat.org/min-1003.html |
| Tim Blake, Lookout Mine Owner |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. Hurlbut, C. S. (1950) Childrenite-eosphorite series. American Mineralogist, 35 (9-10) 793-805 |
Dunton Gem Quarry, Newry, Oxford County, Maine, USA