Category: Rare Earth Minerals

Stanley Mertzman, a geologist whose specialty is X-ray analysis of rocks and minerals to determine their chemical composition, and who teaches mineralogy at Franklin and Marshall College, explains more about these little-known and fascinating elements called Rare Earth Minerals and the modern electronics they make possible. What are rare earth elements? These are elements like others on the periodic table – such as carbon, hydrogen and oxygen – with atomic numbers 57 to 71. There are two others with similar properties that are sometimes grouped with them, but the main rare earth… Read More Here