North of 60 Mining News - The mining newspaper for Alaska and Canada's North

Peggy Greb, U.S. Department of Agriculture

Rare earths consist of 15 lanthanides, yttrium and scandium, elements that are increasingly important ingredients to a growing number of high-tech devices and military hardware. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium.