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USA | |
| MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages. |
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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 |
| Rocks & Min.: 60:99. |
| Rocks & Min.: 60:99. |
Ray Mica Mine, Hurricane Mountain, Burnsville, Yancey County, North Carolina, USA