Uses of Rare Earths
Chatham Rise rock phosphate includes 15 of the 17 recognised rare earth elements, excluding only scandium and promethium. The uses and applications of these rare earths are listed in the table below.
|Neodymium||Powerful magnets used in loudspeakers, computer hard drives, wind turbines, electric vehicles, used in lasers|
|Lanthanum||Camera and telescope lenses, carbon lighting applications, studio lighting and cinema projection Used in the process of refining crude oil.Used in specialty glasses and optics, electrodes and for hydrogen storage.|
|Cerium||Catalytic converters in cars Makes an excellent oxidizer, used in oil cracking during petroleum refining and is used for yellow color in ceramics and glass.|
|Praseodymium||Used to create strong metals used in aircraft engines
Used to make a special type of glass used in visors to protect welders and glassmakers
Used in magnets, lasers and as green color in ceramics and glass.
|Gadolinium||Used in X-ray and MRI scanning systems, and also in television screens
Used in magnets, speciality optics, and computer memory.
|Yttrium||Televisions, computer screens and other devices that have visual displays
Used in superconductors and exotic light sources.
|Terbium||Used as green in ceramics and paints, and in lasers and fluorescent lamps.|
|Europium||Europium is used in making control rods in nuclear reactors
Makes colored phosphors, lasers, and mercury-vapor lamps.
|Samarium:||Used in magnets, lasers and for neutron capture.|
|Dysprosium:||Used in magnets and lasers.|
|Holmium:||Used in lasers.|
|Erbium||Used in steel alloyed with vanadium, as well as in lasers.|
|Thulium||Used in portable x-ray equipment.|
|Ytterbium||Used in infrared lasers. Also, works as a great chemical reducer.|
|Lutetium||Used in specialty glass and radiology equipment.|
Summary Table of Rare Earths and Other Minerals
(includes only those with significant indicative values)
|Element||Seafloor Muds||Rock Phosphate|
|Hafnium (with 2% Zircon)||Hf||x|
USGS article: Marine Phosphorites as Potential Resources for Heavy Rare Earth Elements and Yttrium
Click image to read