Vermiculite from San Bernardino Mountains, California, USA
USA | |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Saul, R.B., Evans, J.R., and Gray, C.H. (1970) Mines and mineral resources of Riverside County. California Division of Mines and Geology County Report 9. Unpublished manuscript: 336 Van Nostrand Reinholt Press: 435-436. |
| Alfredo Petrov, field observations, 14-06-2009. |