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goethite

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
goe·thite  (gtht, gtt)
n.
A red, yellow, or brown mineral, essentially HFeO2, one of the common constituents of rust.
[After Johann Wolfgang von Goethe.]
goethite, göthite [ˈgəʊθaɪt (German) ˈgøːtiːt]
n
(Earth Sciences / Minerals) a black, brown, or yellow mineral consisting of hydrated iron oxide in the form of orthorhombic crystals or fibrous masses. Formula: FeO(OH)
[named after Johann Wolfgang von Goethe (1749-1832), German poet, novelist, and dramatist]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.goethite - a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust
gothite
rust - a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
iron ore - an ore from which iron can be extracted


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Increasing the pH would facilitate ferrous and ferric ion oxidation to goethite (FeOOH), which is water insoluble and thus not bioavailable for redox reactions (Lowson 1982; Singer and Stumm 1969).
Mapping and prediction of coal workers' pneumoconiosis with ... by Finkelman, Robert B. / Environmental Health Perspectives
Goethite formation requires water, and the mineral, when heated, can slowly convert to hematite.
Martian invasion: probing lively puzzles on the red planet by Cowen, Ron / Science News
381), but also in caves on dripstone and flowstone speleothems composed of calcite, epsomite, goethite, and even mud.
On the waves. (Letters) by Hill, Carol A. / Science News
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