- an amorphous hydrated ferric oxide, varying in color from dark brown to yellow, used as an ore of iron.
Origin of limonite
Examples from the Web for limonite
Historical Examples of limonite
The streak of limonite is yellow, thus distinguishing it from hematite.
The powder and streak of limonite are always yellow; it is an important ore.The A B C of Mining
Charles A. Bramble
Magnetite or magnetic iron ore, specular iron, and limonite are also oxides of iron.Geology
Near Lithgow extensive deposits of limonite, or clay-band ore, are interbedded with coal.
The green sand when weathered is brown or rusty coloured, the glauconite being oxidized to limonite.
- a common brown, black, or yellow amorphous secondary mineral that consists of hydrated ferric oxides and is a source of iron. Formula: FeO(OH). n H 2 O