iron ocher

Min.: A variety o. Hæmatite. iron-ore, s. Min.: Various minerals containing so large an amount of iron in their composition as to be suitable for smelting. The chief are hæmatite, limonite, and clay-ironstone, which are found in extensive deposits in various parts of the world. Argillaceous Iron-ore Clay Ironstone (q. v.); Arsenic a ted Iron-ore=Pharma cos ide rite; Axotomous Iron-ore=Men acc a nite; for Bog Iron-ore, see BOG; Brown Iron-ore=(1) Limonite, (2) Göthite; Calcareous Iron-ore=Siderite; Clay Iron-ore=Clay Ironstone; Green Iron-ore Dufrenite; Jaspery Iron-ore=a jaspery-looking red variety of Clay Iron stone, and Lenticular Iron-ore one with minute flattened concretions; Magnetic Iron-ore Magnetite; Micaceous Iron-ore Hæmatite; Ocherous Iron-ore(1) Hematite, (2) Göthite: Octahedral Iron-ore Magnetite; Pitchy Iron-ore=Pitticite; Red Iron-ore=Hematite; Sparry Iron-ore=Siderite; Specular Iron-ore=Hematite; Titaniferous Iron-ore Men acc a nite. ( Dana.)