A mineral consisting of iron tungstate (FeWO₄), occurring naturally in black or grayish-black crystals, often found in tungsten ore deposits.
Named after Rudolph Ferber, a mineralogist or significant figure in mineralogy, using the -ite suffix standard for naming minerals. Ferberite is a specific variety of tungstate mineral.
Ferberite might look like an ordinary black rock, but it's actually a crucial source of tungsten, the metal used to harden steel for everything from cutting tools to light bulb filaments.
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