goethite

(t̸hīt′, gʉr-; -tīt; also, gō-)

noun

a hard, brownish, orthorhombic mineral, FeO(OH), an ore of iron; iron hydroxide

Origin: Ger göthit, after Johann Wolfgang von Goethe, in honor of his studies in geology and mineralogy

See goethite in American Heritage Dictionary 4

noun
A red, yellow, or brown mineral, essentially HFeO2, one of the common constituents of rust.

Origin:

Origin: After Johann Wolfgang von Goethe

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