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USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 374. |
- Diamond Creek Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 128 Hershey, Oscar H. (1908), Primary chalcocite in California: Mining and Scientific Press: 6: 429-430 Van Nostrand Reinholt Press: 97. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 250. |
| Gail E. Dunning and Joseph F. Cooper, Jr. (2002) Paragenesis of Troilite from the Low Divide District, Del Norte County, California |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Eakle, Arthur S. (1922) Massive troilite from Del Norte County, California. American Mineralogist, 7 (5) 77-80 Van Nostrand Reinholt Press: 71. |
| Gail E. Dunning and Joseph F. Cooper, Jr. (2002) Paragenesis of Troilite from the Low Divide District, Del Norte County, California California Geology: 48 (5): 119 |
Del Norte County, California, USA