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USA | |
| Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York. |
| MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages. |
| Genth, F.A and Kerr W.C.,1881, Minerals and Mineral Localities of North Carolina, Geologic Survey North Carolina |
| Brobst,Donald A.,(1962) Geology of the Spruce Pine District Avery,Mitchell,and Yancey Counties,North Carolina:Geological Survey Bulletion 1122-A |
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| Streeter, Michael (2003) A Rockhounding Guide to North Carolinas Blue Ridge Mountains. Milestone Press Inc. Pratt, Joseph Hyde (1933) Gems and gem minerals of North Carolina. American Mineralogist, 18 (4) 148-159 |
| Pratt, Joseph Hyde (1933) Gems and gem minerals of North Carolina. American Mineralogist, 18 (4) 148-159 |
| Wood, Keith Y., Abbott, Richard N. (1996) Pumpellyite and Clinozoisite from the McKinney Mine, Spruce Pine District, North Carolina. The Mineralogical Record, 27 (4) 289-290 |