Why are rare earth elements so rare?

Rare earth elements have many useful properties, making them in high demand from the technology and energy industries.This collection of 17 metals includes 15 metallic elements found at the bottom periodic table of elements and the elements yttrium and scandium.

The most valuable of these are neodymium, praseodymium, terbium and dysprosium, which are super-strong micromagnets that are essential components of electronics such as smartphones, electric car batteries and wind turbines. However, their limited global supply is a major concern for governments and businesses, as they need these metals to continue manufacturing various types of modern necessities.

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