Gold mines and refinning in Colombia by Diego Giudice

A just melt raw gold bar at the furnaceof Maria Dama, Antioquia department, Colombia. This is the first step to get pure gold, successive melting and chemical process are necessary to get the refined product

4. 69209.JPG

4 of 30

A just melt raw gold bar at the furnaceof Maria Dama, Antioquia department, Colombia. This is the first step to get pure gold, successive melting and chemical process are necessary to get the refined product

Headline: Colombia gold miners
Author: Diego Giudice/Archivolatino