Nontronite from Oregon, USA
USA | |
| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
| King, Van (n.d.) Personal communcation. |
| Rudy Tschernich Zeolite Collection |
| Stewart, Walker, Wright and Fahey (1966), Physical Properties of Calcic Labradorite from Lake County Oregon, American Mineralogist, Vol. 51, 177-197. |
| Micro Probe Volume VI Number 4 |
| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. Micro Probe Vol. 6 No. 4 |
Micro Probe Volume VI Number 4 | |
Micro Probe Vol. 6 No. 4 |
Estacada Pyrite locality, Clackamas River localities, Estacada, Clackamas County, Oregon, USA