Rare Earths, Monazite, Thorium and China

The rare earth elements are not ‘earths’ but metals. Nor are they rare. They are expensive because they are difficult to extract. Thorium isn’t a rare earth. It is generally found as a by-product of the processing of Monazite ore for rare earths elements (REEs). Thorium is a radio-active metal approximately three times as abundant as Uranium. I’ll come …

Continue reading