Sphalerite from Ichocollo Mine (Monserrat Mine), Monserrat-Antequera mining district, Poopó Province, Oruro, Bolivia
Bolivia | |
| Gibson & Turneaure (1950) Trans AIME 187:1071-1078 Dr. Fritz Berndt, unpublished analyses. |
Bolivia | |
| Gibson & Turneaure (1950) Trans AIME 187:1071-1078 Dr. Fritz Berndt, unpublished analyses. |