Epidote from selected localities.
USA | |
| Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis; Singer, D.A., Berger, V.I., and Moring, B.C. (2005): USGS Open-File Report 05-1060 |
Inventory of Washington Minerals, Part I, Nonmetalic Minerals, Vol. 1; Marshall T. Huntting, 1956 | |
Huntting, M. (1956): Inventory of Washington Minerals, Part II, Metallic Minerals, Vol. 1, p.83 |