Nevada gold prospecting, Las Vegas Gold, Gold prospecting equipment, Prospecting .
MINERS MORTAR and PESTLE'S Used to crush ore/rock 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 Pestle's are a great way to test ore/rocks in the field, use to do an assay.