Danaite from California, USA
USA | |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Hess, Frank L. (1927), Rare metals – cobalt: Mineral Resources U.S., 1924, part 1: 451 Van Nostrand Reinholt Press: 75 |
| (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: 87. Blake, Wm. P. (1867b), Mineralogical notices II: American Journal of Science, 2nd. series: 43: 298 |