Hematite from Cerro Tarqui, Yocalla Municipality, Tomás Frías Province, Potosí, Bolivia
Bolivia | |
| GEOBOL, Boletín #11, June 1968. |
GEOBOL, Boletín #11, June 1968. | |
GEOBOL, Boletín #11, June 1968. |
Bolivia | |
| GEOBOL, Boletín #11, June 1968. |
GEOBOL, Boletín #11, June 1968. | |
GEOBOL, Boletín #11, June 1968. |