Limonite
Pronunciation : Li"mon*ite
Part of Speech : n.
Etymology : [Gr. limonite, G. limonit.] (Min.)
Definition : Defn: Hydrous sesquixoide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown color, yellowish brown powder. It includes bog iron. Also called brown hematite.
Source : Webster's Unabridged Dictionary, 1913