Sicklerite from Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
USA (FRL) | |
| Schaller, W.T. (1912) New manganese phosphates from the gem tourmaline field of Southern California. Journal of the Washington Academy of Sciences: 2: 143-145. |
San Diego Mining Company (2022) |
Stewart Mine, Tourmaline Queen Mountain, Pala, Pala Mining District, San Diego County, California, USA