Small Grinding Mill The Mini mincing Machine by ElleEatist. The small-scale grinding mill should be a portable multi function processing mill. It could be easily transported straight to your ore ready to commence processing. JXSC Mining has small scale gold mining equipment and mineral processing equipment for sale. those relatively small size equipments are perfect for sample preparation and metallurgical laboratories, you can buy those good alternatives economically that are usually unaffordable in the classic market place.. Suitable Mineral Materialgold, chrome, tin, coltan, diamond, tantalite, silica sand.