6th October 2019

wikipedia
16

What is a rare earth mineral?

A rare-earth mineral contains one or more rare-earth elements as major metal constituents. Rare-earth minerals are usually found in association with alkaline to peralkaline igneous complexes, in pegmatites associated with alkaline magmas and in or associated with carbonatite intrusives.

Also know, what are rare earth minerals and what are they used for?

Most "rare earth" elements have uses in several different fields, as well as those listed below.
  • Neodymium. This is used to make powerful magnets used in loudspeakers and computer hard drives to enable them to be smaller and more efficient.
  • Lanthanum.
  • Cerium.
  • Praseodymium.
  • Gadolinium.
  • Yttrium, terbium, europium.

Is niobium a rare earth element?

It is an element, a rare metal with anticorrosive properties. Furthermore, of all strategic metals, Niobium is regarded as one of the most highly critical. But its supplies are considered potentially at risk. This is because only a few sources throughout the world produce the metal.

Is scandium a rare earth element?

Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been classified as a rare earth element, together with yttrium and the lanthanides.
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