Noun
Hydrous sesquioxide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown color, and yellowish brown powder. It includes bog iron. Also called brown hematite.
Source: Webster's dictionaryA clay of limonite rich in iron oxide is the source of raw sienna and burnt sienna. Source: Internet
A weathered and broken trachyte is host to the turquoise, which is found both in situ between layers of limonite and sandstone and amongst the scree at the mountain's base. Source: Internet
The brown, pink and red colors are from hematite (iron oxide; Femain Omain ); the yellows from limonite (FeO(OH)·nHmain O) ; and the purples are from pyrolusite ( Mn Omain ). Source: Internet
A significant portion of the Nevada material is also noted for its often attractive brown or black limonite veining, producing what is called "spiderweb matrix". Source: Internet
This kind of pigment is known as yellow ochre, yellow earth, limonite, or terra gialla. Source: Internet