- glassy silica
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• сплавленный кварц• стекловатый кремнезем
English-Russian dictionary of geology. 2011.
glassy silica
Смотреть что такое "glassy silica" в других словарях:
silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… … Universalium
silica — [sil′i kə] n. [ModL < L silex, flint: see SILEX] a glassy, very hard mineral, silicon dioxide, SiO2, found in a variety of forms, as in quartz, opal, chalcedony, sand, or chert … English World dictionary
silica gel — Chem. a highly adsorbent gelatinous form of silica, used chiefly as a dehumidifying and dehydrating agent. [1915 20] * * * ▪ chemical compound a highly porous, noncrystalline form of silica used to remove moisture from gases and liquids, to … Universalium
Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide … Wikipedia
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… … Wikipedia
fulgurite — /ful gyeuh ruyt /, n. a tubelike formation in sand or rock, caused by lightning. [1825 35; < L fulgur (see FULGURATE) + ITE1] * * * ▪ mineral a glassy silica mineral (lechatelierite or amorphous SiO2) fused in the heat from a lightning… … Universalium
dacite — da·cite (dāʹsīt ) n. A light gray volcanic rock containing a mixture of plagioclase and other crystalline minerals in glassy silica, similar in appearance to rhyolite. [After Dacia.] * * * ▪ mineral volcanic rock that may be considered a… … Universalium
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
tektite — /tek tuyt/, n. Geol. any of several kinds of small glassy bodies, in various forms, occurring in Australia and elsewhere, now believed to have been produced by the impact of meteorites on the earth s surface. [1920 25; < Gk tekt(ós) molten +… … Universalium
