Tantalite from
USA | |
| San Diego Mining Company (2009) |
Fisher, Jesse (2002) Gem and Rare-Element Pegmatites of Southern California. The Mineralogical Record, 33 (5) 363-407 | |
| San Diego Mining Company, 1995-1997. |
USA | |
| San Diego Mining Company (2009) |
Fisher, Jesse (2002) Gem and Rare-Element Pegmatites of Southern California. The Mineralogical Record, 33 (5) 363-407 | |
| San Diego Mining Company, 1995-1997. |
Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA