- Bay Horse Mining District
| [var. Chalcedony] Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. Ross, C.S., Shannon, E.V. (1924) Mordenite and associated minerals from near Challis, Custer County, Idaho. Proceedings of the U.S. National Museum, 64(19), 1-19. |