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USA | |
| Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025 |
| Mason, B. & Jarosewich, E. (1967) The Winona meteorite. Geochimica et Cosmochimica Acta 31 (6): 1097-1099. (June 1967) |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Rico Mining District (Pioneer Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Dorchester Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Econ Geol (1984) 79:439-447 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Montezuma Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Burbank, W. S. (1933): The manganese minerals of the Sunnyside veins, Eureka Gulch, Colorado. American Mineralogist 18, 513-527. Rocks & Min.: 63: 366-384. |
- Argentine Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Montezuma Mining District (Snake River Mining District)
| Dana 6: 65, 1091 Dana 7:I: 208. |
| Okada, A., Keil, K., Leonard, B. F., & Hutcheon, I. D. (1984). Schöllhornite, Na0. 3 (H2O) 1 [CrS2] a New Mineral in the Norton County Enstatite Achondrite. Meteoritics, 19, 284. Watters, T. R. & Prinz, M (1979) Aubrites - Their origin and relationship to enstatite chondrites. In: Lunar and Planetary Science Conference, 10th, Houston, Tex., March 19-23, 1979, Proceedings. Volume 1. (A80-23557 08-91) New York, Pergamon Press, Inc., 1979, p. 1073-1093. Klaus Keil, Kurt Fredriksson (1963) Electron microprobe analysis of some rare minerals in the Norton County achondrite. Geochimica et Cosmochimica Acta Volume 27, Issue 9, September 1963, Pages 939–942 Am Min 67:132-136 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |