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lanthanides (rare earth) click to hear : lanthanides (rare earth)

Very reactant elements found in the lanthanide series (monazite, xenotime); some are relatively abundant in the Earth’s crust.
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erbium ytterbium thulium lutetium dysprosium holmium terbium samarium promethium neodymium praseodymium cerium gadolinium europium lanthanum

erbium click to hear : erbium

Metal that is used mainly in some alloys (especially with vanadium), lasers and infrared-absorbing glass, and as a colorant for glass and enamel.

ytterbium click to hear : ytterbium

Metal that is used in the manufacture of stainless steel, in lasers and as a source of X-rays in portable radiology equipment.

thulium click to hear : thulium

The rarest of the lanthanide group; it is used as a source of X-rays in portable radiology equipment and in the manufacture of ferrites (magnetic ceramics).

lutetium click to hear : lutetium

Very rare metal that is difficult to separate; it has no real industrial applications but can be used as a catalyst (cracking, hydrogenation).

dysprosium click to hear : dysprosium

Very rare metal that is used especially in permanent magnets, lasers and nuclear reactors (absorbing neutrons).

holmium click to hear : holmium

Very rare metal with limited applications; it is used in lasers and for coloring glass.

terbium click to hear : terbium

Rare metal that is used especially in lasers and semiconductors.

samarium click to hear : samarium

Rare radioactive metal that is used especially in optical glass, lasers, nuclear reactors (absorbing neutrons) and permanent magnets.

promethium click to hear : promethium

Radioactive metal that is used mainly in specialized batteries and luminescent coatings for watches, and as a source of X-rays in medicine.

neodymium click to hear : neodymium

One of the most reactant of rare metals; it is used mainly to manufacture lasers, eyeglasses and permanent-magnet alloys.

praseodymium click to hear : praseodymium

Metal that is used especially in protective lenses, colorants for glass, flint alloys (misch metal) and permanent magnets.

cerium click to hear : cerium

The most common metal of the lanthanide group and the main constituent of flint alloys (misch metal).

gadolinium click to hear : gadolinium

Metal that is often alloyed with chromed steel; it is used especially in the manufacture of permanent magnets, magnetic heads and electronic components.

europium click to hear : europium

The most reactant metal of the lanthanide group; it is used especially in television screens (the color orange) and nuclear reactors (absorbing neutrons).

lanthanum click to hear : lanthanum

Metal that reacts with water to yield hydrogen; it is used especially in flint alloys and optical glass.