Sericite from San Bernardino Mountains, California, USA
USA | |
| USGS Open File report 2010-5220 |
| Alfredo Petrov, field observations, 14-06-2009. |
| Hewett, Donnel Foster, Stone, J., and Levine, H. (1957) Brannerite from San Bernardino County, California. American Mineralogist: 42: 30-38. |