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

Royalist

... noun or adjective, Royalist, can have several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family. Of the more specific uses ...