Iron hematite magnetite limonite
 

Iron Hematite Magnetite Limonite

Limonite - Wikipedia

While the first iron ore was likely meteoric iron, and hematite was far easier to smelt, in Africa, where the first evidence of iron metallurgy occurs, limonite is ...

Iron ore - Wikipedia

Usable iron ore production in million metric tons for 2015 The mine production estimates for China are estimated from the National Bureau of Statistics China's crude ...

Limonite: an iron oxide used as pigment and iron ore

Geologic Occurrence. Limonite usually occurs as a secondary material, formed from the weathering of hematite, magnetite, pyrite, and other iron-bearing materials.

Limonite , mineral , Britannica.com

Limonite: Limonite,, one of the major iron minerals, hydrated ferric oxide (FeO(OH)·nH2O). It was originally considered one of a …

Hematite: The mineral hematite information and

Detailed description, properties, and locality information guide about the iron mineral hematite.

It's Elemental - The Element Iron

The Element Iron - Basic Physical and Historical Information

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