Quartz from selected localities.
USA | |
| Bernstein, D. 1996. Personal Communication with Scott L. Ritchie; Mineral Specimen Study (1990 Crown Jewel mine discovery description), Jan. |
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 295. | |
| Murdoch, J., and Webb, R. W. 1942. Notes of Some Minerals from Southern California, III: Corundum and Associated Minerals near Banning, San Jacinto Mountains, California. The American Mineralogist. 27(4):328-329. |
Gochenour, K. L. 2000. The Rediscovery of Corundum Crystals from the San Jacinto Mountains, Riverside County, California Lithosphere bulletin, May/June. Fallbrook Gem and Mineral Society, Inc., Fallbrook, California. |
Crown Jewel Mine, Bautista Canyon, Cahuilla Mining District, Riverside County, California, USA