Monaziitin

Monaziite is a mineral group comprising phosphates of light rare-earth elements. These minerals are typically yellowish to reddish-brown in color and are often found in igneous rocks like granites and pegmatites, as well as in placer deposits. Monaziite is a significant source of rare earth elements such as lanthanum, cerium, neodymium, and praseodymium, along with thorium and uranium. Due to the presence of thorium, monaziite can be radioactive. Its chemical formula is generally (Ce, La, Nd, Th)PO4, with variations in the proportions of the rare earth elements and the inclusion of thorium. Monaziite sands are often found in association with other heavy minerals like ilmenite and zircon. The extraction and processing of monaziite are important for obtaining rare earth elements, which are crucial components in many modern technologies, including magnets, catalysts, and electronics. The environmental impact and radioactive properties of monaziite require careful handling and management during mining and processing operations.