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Webster 1913 Edition

goethite

Gö′thite

go′thite

, or

Goe′thite

Noun.

[After the poet

Göthe

(Min.)

A hydrous oxide of iron (

HFeO2

), occurring in prismatic crystals, also massive, with a fibrous, reniform, or stalactitic structure. The color varies from yellowish to blackish brown.