Cast Iron Mortar and Pestle Rock-Ore Crusher Mortar Large Size 6.5KG

Function -- Perfect for a hobbyist, ordinary households, miners, geologists, etc to handle your own research and experimentation. Good for crushing up ore to test in the field or to do a assay. Use it to find out if ore/rocks contain gold or other precious minerals.. Design -- The deep round hole mortar design can prevent the ingredients from jumping out. The design of the pestle provides ideal size and grip, not easy to slip off, and the best natural friction, which can easily crush and grind t