Scorzalite from Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
USA | |
| www.mineralsocal.org |
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Van Nostrand Reinholt Press: 310. |
Bluebird Kyanite Mine, Vitrefrax Hill, Obregon, Cargo Muchacho Mining District, Cargo Muchacho Mountains, Imperial County, California, USA