- iron silicates
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силикатные руды железа
Англо-русский словарь терминов металлургии и сварки. 2011.
iron silicates
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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
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
stony iron meteorite — ▪ astronomy any meteorite containing substantial amounts of both rocky material (silicates) and nickel iron metal. Such meteorites, which are often called stony irons, are an intermediate type between the two more common types, stony… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… … Universalium
olivine — olivinic /ol euh vin ik/, olivinitic /ol euh vi nit ik/, adj. /ol euh veen , ol euh veen /, n. Mineral. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive green to gray green masses as an important constituent of basic… … Universalium
Petrography — is that branch of petrology which focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are described in detail. Petrographic… … Wikipedia
Hisingerite — is a mineral, an iron silicate, formula Fe2Si2O5(OH)4.2H2O. A black or dark brown lustrous secondary mineral, it is formed by the weathering of other iron silicates. It is named after Wilhelm Hisinger, a Swedish chemist.There is also Aluminian… … Wikipedia
actinolite — actinolitic /ak tin l it ik, ak teuh nl /, adj. /ak tin l uyt , ak teuh nl /, n. Mineral. a variety of amphibole, occurring in greenish bladed crystals or in masses. [1825 35; ACTINO + LITE] * * * Colourless to green amphibole mineral, darkening… … Universalium
