The only active rare earths mine in the US is Mountain Pass in California owned by MP Materials, which produces rare earths ...

The average spot price of praseodymium oxide in China, for example, fell 26% in 2024, following a drop of 37% in 2023, according to data from information provider Shanghai Metals Market (SMM).

The zone grades 0.26% neodymium oxide (Nd2O3), 0.07% praseodymium (III/IV) oxide (Pr6O11) and 0.25% niobium pentoxide (Nb2O5), or 1.32% total rare earth oxide (TREO), for 640,000 tonnes of ...

At the time, Tardiff was estimated to hold 623,000 tonnes of neodymium and praseodymium oxide (NdPr). Tardiff's total resource tonnage now stands at 192.7 million tonnes at 1.3 percent total rare ...