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USA | |
| Dennis Tryon |
| [var. Fortification Agate] Hunter, R. 1977 East of the sunshine but west of the moon: Lapidary Journal, v. 30, no. 12, p. 2834-2839 |
| Bearce, 2006. Minerals, Fossils and Fluorescents of Arizona |
| Field identification - I hiked this location & identified these minerals & mineral varieties. I will add some photos once these minerals are added, Field identification - I hiked this location & identified these minerals & mineral varieties. I will add some photos once these minerals are added, I hiked the entire gulch & visually identified these minerals. I will add photos once additions are approved. |
| Luetcke, Rolf (n.d.) Personal communication. |
| MRDS database Dep. ID #10234773, MAS ID #0040110142. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Dimick, A. (1957), Arizona's Peloncillo agate, Gens & Minerals: 242: 24-27. |
| New Mexico Rocks & Minerals By Frank S. Kimbler, Robert J. Narsavage |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
- Alum Mountain Mining District (Alum Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
San Francisco River area, Clifton, Greenlee County, Arizona, USA