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USA | |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 28-29 Van Nostrand Reinholt Press: 496. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 63 Van Nostrand Reinholt Press: 482, 496. |
| [var. Hessonite] Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Blake, Wm. P. (1856), Reports of explorations and surveys to ascertain the most practical and economical route for a railroad from the Mississippi River to the Pacific Ocean: 33rd. Congress, 2nd. Session, House Doc. 91: Vol. 5, part 2, geological report: 289 Blake, Wm. P. (1855), Observations on the extent of the gold region of California and Oregon, with notices of mineral localities in California and of some remarkable specimens of crystalline gold: American Journal of Science, 2nd. Series: 20: 82 |