Amazon: Cast Iron Mortar Pestle Rock-Ore Crusher
This European Style Small Mortar & Pestle is made from Cast Iron and is 3-1/4" tall & 3-3/4" wide at the top. ID size is 2-1/4" at the top and 2-1/2" deep. The Pestle is 6". Both together weight 5 Pounds. This is great for crushing up ore to test in the field or to do a assay.