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Description:MINERS MORTAR and PESTLES Used to crush orerock to see if it has gold or other precious minerals. After the materials are crushed, place in a gold pan and pan the crushed material. Examine the panned material for any traces of gold or other values. Mortar and Pestles are a great way to test orerocks in the field, use to do an assay.
SourceAccess Heavy Industries Co., Ltd. China(Mainland)