How Do You Grind Gold Ore Into Powder?
Most of the world’s gold is produced by extracting gold out of hard rock casing or gold ore. Large-scale mining operations use heavy machinery for the process of crushing gold ore with stamp mills. Recreational prospectors can crush ore in the same manner but on a much smaller scale. These instructions can walk a small-scale miner through the process of testing the richness of his gold ore by using a mortar and pestle. Lay down your tarp on top of a concrete slab and grab your sledgehammer. Place your ore on top of the tarp. Hammer the bigger pieces of your gold ore on the concrete into workable sizes smaller than your fist. Place a chunk of ore smaller than your fist into the mortar. Put on your safety glasses and dust mask. Grab the pestle and hit the chunk of ore with enough force to crush it, but not enough force to send chunks flying out of the mortar. Pound and grind the ore until it has the consistency of white sugar or smaller. Place your 20 mesh classifier on top of your gold
