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USA | |
| Dyar, M.D., Taylor, M.E., Lutz, T.M., Francis, C.A., Guidotti, C.V., Wise, M. (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist, 83, 848-864. Wise, Michael A. and Brown, C. D. (1992) Olenite from the Black Mountain Pegmatite, Maine: A New Occurrence, Lepidolite 200, International Symposium on the Mineralogy, Petrology, and Geochemistry of Granitic Pegmatites, Abstracts and Papers, p. 79. |
| Lupulescu, M. & Rakovan, J. (2008) The 35th Rochester Mineralogical Symposium, Contributed Papers in Specimen Mineralogy, 10. |
| "Mineralogy of the Ray Mica Mine, Yancey County, N.C." by J.W. Miller and C.W. Allen |