Works of "Research Collection"
Place Collected: Manto Cuba Mine
Place Collected: Manto Cuba Mine
Place Collected: Manto Cuba Mine
Place Collected: Manto Cuba Mine
Place Collected: El Salvador Mine
Place Collected: Manto de Tres Gracias Mine
Place Collected: Soledad Mine
Place Collected: Zapallar mining district
Place Collected: Chapacase Mine
Place Collected: Chapacase Mine
Place Collected: Chapacase Mine