Serpentine Subgroup from San Gabriel Mountains, California, USA
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: 26 Van Nostrand Reinholt Press: 215, 422. |
| Cannon Microprobe Services, Seattle, WA |
Cascade Canyon, San Bernardino County, California, USA