Boracite from Bolivia
Bolivia | |
| Wilson, Wendell E. (2001) Notes From the Editors - Old Yuma mine. The Mineralogical Record, 32 (6) 426-501 |
| (unpublished thesis) |
| Petrov, Alfredo (n.d.) Personal Communication. |
| Federico Ahlfeld and Alfredo Petrov specimens. |
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia