GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site monazite Monazite. Credit: E. Offermann. Coll. A. Kandblauer, SVSMF A phosphate mineral of widespread occurrence (mined in India, Brazil, the United States, and South Africa) that is the richest source of rare earth elements, such as lanthanum and other members of the lanthanide series. It also contains thorium. Monazite occurs widely in granitic and other rocks, and usually forms small brown crystals in the monoclinic system. Related category    • GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP