Zircon from San Diego County, California, USA
USA | |
| Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia. |
| Foord, Eugene E. (1977) Famous Mineral Localities: the Himalaya Dike System, Mesa Grande District, San Diego County, California. The Mineralogical Record, 8 (6) 461-474 |
| Steve Hardinger collection |
Steve Hardinger collection | |
| www.gemandmineral.com/stewartmine.html. |
| Foord, Eugene E., Martin, Robert F., Spaulding, Louis B., Mason, Roger A. (1989) Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. The Mineralogical Record, 20 (2) 101-127 |
| Rocks & Minerals, May-June 2003 |
Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA