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Tuesday, 13 October 2026

RARE EARTH ELEMENTS ( REEs)

Rare earth elements (REEs) are a group of 17 chemically similar metallic elements that include the 15 lanthanides on the periodic table plus scandium and yttrium. What They Are • The 17 Elements: Lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium. • Light vs. Heavy: Divided into Light Rare Earth Elements (LREEs like lanthanum and neodymium) and Heavy Rare Earth Elements (HREEs like dysprosium and lutetium) based on atomic weight. • Not Actually Rare: Despite the name, these elements are relatively common in the Earth's crust (roughly as abundant as copper or nickel), but they are rarely found in high-grade, economically viable concentrations. Key Uses and Importance • Permanent Magnets: Neodymium and samarium are vital for making ultra-strong permanent magnets used in electric vehicle motors, wind turbines, and electronics. • Catalysts and Glass: Cerium and lanthanum are used in automotive catalytic converters and petroleum refining. • High-Tech Devices: They are essential components in smartphones, lasers, fiber optics, medical MRI contrast agents, and defense systems (such as night-vision goggles and guidance hardware). Supply Chain & Production • Extraction Challenges: Separating these elements from each other and from radioactive impurities like thorium and uranium requires complex, energy-intensive, and environmentally sensitive processing. • Market Dominance: China currently controls a major share of both global mining and refined production. Learn more about the breakdown of these materials on the U.S. Geological Survey Rare Earth Statistics Page or review industrial insights at Lynas Rare Earths. Wallahualam.

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