natural red oxide of iron

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• Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …   Wikipedia

• Iron bacteria — In the management of water supply wells, iron bacteria are bacteria that derive the energy they need to live and multiply by oxidizing dissolved ferrous iron (or the less frequently available manganese and aluminium). The resulting ferric oxide… …   Wikipedia

• Red ochre — and yellow ochre (pronounced /IPA| əʊk.ə/, from the Greek ὄχρος, yellow) are pigments made from naturally tinted clay. It has been used worldwide since prehistoric times. Chemically, it is hydrated iron (III) oxide.Ochres are non toxic, and can… …   Wikipedia

• Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …   Wikipedia

• Red Mountain (Birmingham, Alabama) — Red Mountain is a long ridge running southwest northeast and dividing Jones Valley from Shades Valley south of Birmingham, Alabama, United States. It is part of the Ridge and Valley province of the Appalachian mountains. The Red Mountain… …   Wikipedia

• Iron(III) chloride — Iron(III) chloride …   Wikipedia

• iron — ironless, adj. ironlike, adj. /uy euhrn/, n. 1. Chem. a ductile, malleable, silver white metallic element, scarcely known in a pure condition, but much used in its crude or impure carbon containing forms for making tools, implements, machinery,… …   Universalium

• Natural dye — Skeins of wool colored with natural plant dyes. Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources – roots, berries, bark, leaves, and …   Wikipedia

• iron processing — Introduction       use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

• iron oxide — noun : any of several natural or synthetic oxides or hydrated oxides of iron: as a. : anhydrous or hydrated ferric oxide varying in color from red, brown, or black to orange or yellow depending in part on the degree of hydration and the purity… …   Useful english dictionary

• iron red — noun 1. : a natural or synthetic red pigment (as Indian red or Venetian red) consisting wholly or in part of iron oxide compare rouge 2a 2. : any of the colors oxide red; especially : indian red compare iron oxide red …   Useful english dictionary