Pyrite from Clackamas County, Oregon, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Bill Thompkins |
Tschernich, Rudy (2001) MicroProbe: 9(9), Spring 2001: 20-23 Howard, Don & Thornton, Jocelyn (1998) MicroProbe: 8(7), Spring 1998: 7-9 Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. Gladwell, Jon ( ), Crystals & Minerals, Vol 3: 24-25. | |
| Speckels, M.L. (1965) Minerals for everyone: the complete guide to micromounts. Gembooks, Mentone, California. King, Van (n.d.) Personal communcation. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Estacada Pyrite locality, Clackamas River localities, Estacada, Clackamas County, Oregon, USA