Tourmaline from Atocha-Quechisla mining district, Potosí, Bolivia
Bolivia | |
| Spencer, L.J. and Prior, G.T. (1907) Mineralogical Magazine 14, #67, 308-344. |
| Wilson, Wendell E. (2001) Notes From the Editors - Old Yuma mine. The Mineralogical Record, 32 (6) 426-501 Spencer, L.J. and Prior, G.T. (1907) Mineralogical Magazine 14, #67, 308-344. |
| Federico Ahlfeld and Alejandro Schneider-Scherbina (1964) Los Yacimientos Minerales y de Hidrocarburos de Bolivia. (Ministerio de Minas y Petroleo, La Paz) |