- barium orthoclase
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бариевый ортоклаз
English-Russian dictionary of geology. 2011.
barium orthoclase
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Celsian — is an uncommon feldspar mineral, barium aluminosilicate, BaAl2Si2O8. The mineral occurs in contact metamorphic rocks with significant barium content. Its crystal system is monoclinic, and it is white, yellow, or transparent in appearance. In pure … Wikipedia
feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… … Universalium
Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table … Wikipedia
Feldspar — is the name of a group of rock forming minerals which make up as much as 60% of the Earth s crust.Feldspar. [http://www.ima na.org/about industrial minerals/feldspar.asp What is Feldspar?] Industrial Minerals Association. Retrieved on July 18… … Wikipedia
Essexite — (pronounced|ˈɛsəksaɪt), also called nepheline monzogabbro (IPA|/ˈnɛfəliːn ˌmɒnzoʊˈgæbroʊ/) is a dark gray or black holocrystalline plutonic igneous rock. Its name is derived from the type locality in Essex County, MA.Modern petrology identifies… … Wikipedia
Mohs scale of mineral hardness — The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and… … Wikipedia
hyalophane — /huy al euh fayn , huy euh leuh /, n. Mineral. a variety of orthoclase in which some of the potassium is replaced by barium. [1850 55; HYALO + PHANE] * * * ▪ mineral a barium rich variety of potassium feldspar; see celsian. * * * … Universalium
hyalophane — hīˈaləˌfān noun ( s) Etymology: German hyalophan, from hyal + phan phane : a mineral BaAl2Si2O8 consisting of a monoclinic feldspar isomorphous with and resembling adularia * * * /huy al euh fayn , huy euh leuh /, n. Mineral. a variety of… … Useful english dictionary
Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring … Wikipedia
List of chemistry topics — This page aims to list articles related to chemistry. This is so that those interested in the subject can monitor changes to the pages by clicking on Related Changes in the sidebar and on the bottom of the page.This list is not necessarily… … Wikipedia
Metasomatism — is the chemical alteration of a rock by hydrothermal and other fluids. Metasomatism can occur via the action of hydrothermal fluids from an igneous or metamorphic source. Metasomatic albite + hornblende + tourmaline alteration of metamorphosed… … Wikipedia
