ferrous tungstate

См. также в других словарях:

• tungsten — tungstenic /tung sten ik/, adj. /tung steuhn/, n. Chem. a rare, metallic element having a bright gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high… …   Universalium

• ferberite — /ferr beuh ruyt /, n. a mineral, ferrous tungstate, FeWO4, in the wolframite group: a source of tungsten. [1805 15; named after R. Ferber, 19th century German mineralogist; see ITE1] * * *       iron rich variety of the mineral wolframite (q.v.) …   Universalium

• ferberite — /ˈfɜbəraɪt/ (say ferbuhruyt) noun a mineral of the wolframite group, theoretically pure ferrous tungstate, but frequently some of the iron is replaced by manganese. {named after R Ferber, 19th century German mineralogist, + ite1} …  

• ferberite — ˈfərbəˌrīt, ˈfer noun ( s) Etymology: German ferberit, from Rudolph Ferber, 19th century German + German it ite : a mineral FeWO4 consisting of a valuable ferrous tungstate occurring in black granular masses …   Useful english dictionary

• Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …   Wikipedia

• metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

• Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also …   Wikipedia

• Potassium dichromate — Potassium dichromate …   Wikipedia

• Chemical state — Contents 1 Overview 2 Measurement and Interpretation 3 Significance 4 Closely related nomenclature …   Wikipedia