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Japan | |
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| Mitsubishi Corporation mineral collection, Ikuno |
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| Enami, M., Banno, Y., Hiraiwa, I. (1990) |
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Mexico | |
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Portugal | |
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USA | |
- Helvetia-Rosemont District
| Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 126 (Table 4); Schrader (1915): 108-110; Arizona Bureau of Mines file data. |
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| Schrader, F.C. and J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 110. |
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| Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 126 (Table 4); Schrader & Hill (1910): 156-157; Schrader, F.C. and J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 106; Arizona Bureau of Mines file data. |
- Blue Eagle and Exposed Reef group
| Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 257. |
- Washington Camp-Duquesne District
| Moore, R.T. (1953), Minerals and Metals of Increasing Interest, Rare and Radioactive Minerals, AZ Bur. Mines Bull. 163: 13. |
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| Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155. |