Iron-Platinum alloy from
USA | |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 32-33 Van Nostrand Reinholt Press: 39. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15 Van Nostrand Reinholt Press: 41, 43. |