Encyclopedia > Goethite

Article Content

Goethite

Goethite is hydrated iron oxide[?], FeO(OH). Its hardness ranges from 5.0 to 5.5, and its specific gravity varies from 3.3 to 4.3. It is not generally considered very interesting as a mineral specimen; its main use is as an iron ore.

Featured Article

French resistance

... la Jeunesse[?] or "youth camps" - 1940 General de La Porte du Theil gathered young military servicemen who lived on the road after the defeat. General used it as an excuse ...