|
USA | |
| King, V. (ed.), 2009, Maine feldspar, Families, and Feuds |
| AmMin 10:355-411 (1925) Mineralogical Record 22:382 |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
| American Mineralogist 18:501-503 |
| |
| |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. King, V, 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, Oxford County, Maine, Mineral News, v. 22 (6), p. 1-3. |
| |
| Anderson, 1991. Maine Mineral Localities, 2nd ed. |
Tamminen Quarry, Greenwood, Oxford County, Maine, USA