Ferberite is a black mineral composed of iron(II) tungstate (tungsten oxide), chemical formula FeWO₄. Discovered in 1863. It is a minor ore of tungsten. Named after Moritz Rudolph Ferber. General Name, Symbol, Number iron, Fe, 26 Chemical series transition metal Group, Period, Block 8 (VIIIB), 4 , d Density, Hardness 7874 kg/m3, 4. ... General Name, Symbol, Number Tungsten, W, 74 Chemical series Transition metals Group, Period, Block 6 (VIB), 6, d Density, Hardness 19250 kg/m3, 7. ... An oxide is a chemical compound of oxygen with other chemical elements, e. ... General Name, Symbol, Number Tungsten, W, 74 Chemical series Transition metals Group, Period, Block 6 (VIB), 6, d Density, Hardness 19250 kg/m3, 7. ...

External links

• Web Mineral site (http://webmineral.com/data/Ferberite.shtml)
• mindat mineral data (http://www.mindat.org/min-1476.html)
• galleries.com  (http://www.galleries.com/minerals/sulfates/ferberit/ferberit.htm)