Diopside from Oregon, USA
USA | |
| Micro Probe Fall 2007 Volume X Number 6 |
| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
| Wolfe, Harold D. and White, David J., 1951, Preliminary Report on Tungsten in Oregon, Oregon Dept. of Geology and Mineral Industries Short Paper No. 22, page |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Lemolo Lake, Douglas County, Oregon, USA