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 ironore.
... a French translation was made as
early as 1447, which still remains in manuscript.
The first printed French copies appeared at
Toulouse 1488. The earliest Germ ...