Ferrimolybdite from selected localities.
USA | |
| Cook, C.W. (1922), A new occurrence of ilsemannite (Gibson, Shasta County, California): American Journal of Science, 5th. Series: 4: 50-52; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 341. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 186. |