Epidote from selected localities.
USA | |
| Minerals of the Ground Hog Mine Grant County Ron Gibbs Rocks & Minerals 67:5 pp 294-297; Econ Geol (1987) 82:523-545 U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Econ Geol (1980) 75:229-250; Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.; Rocks & Minerals 84:492-500 |