- translucent silica
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прозрачный кварц
Англо-русский словарь терминов металлургии и сварки. 2011.
translucent silica
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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
Properties of selected silica minerals — ▪ Table Properties of selected silica minerals name colour lustre Mohs hardness specific gravity coesite colourless vitreous near 8 2.9–3.0 cristobalite (low temperature form) white or milky vitreous 6½ 2.2–2.3 lussatite (fibrous low… … Universalium
Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category … Wikipedia
art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… … Universalium
Fused quartz — A sphere manufactured by NASA out of fused quartz for use in a gyroscope in the Gravity Probe B experiment. It is one of the most accurate spheres ever created by humans, differing in shape from a perfect sphere by no more than 40 atoms of… … Wikipedia
Chalcedony — A cut and polished Chalcedony geode General Category Oxide mineral Chemical formula … Wikipedia
Opal — For other uses, see Opal (disambiguation). Opal An opal bracelet. The stone size is 18 by 15 mm (0.7 by 0.6 in) General Category … Wikipedia
glass — glassless, adj. glasslike, adj. /glas, glahs/, n. 1. a hard, brittle, noncrystalline, more or less transparent substance produced by fusion, usually consisting of mutually dissolved silica and silicates that also contain soda and lime, as in the… … Universalium
Glass — /glas, glahs/, n. 1. Carter, 1858 1946, U.S. statesman. 2. Philip, born 1937, U.S. composer. * * * I Solid material, typically a mix of inorganic compounds, usually transparent or translucent, hard, brittle, and impervious to the natural elements … Universalium
Geology of Mars — Mars Mars as seen by the Hubble Space Telescope Designations … Wikipedia
Roman glass — objects have been recovered across the Roman Empire in domestic, industrial and funerary contexts. Glass was used primarily for the production of vessels, although mosaic tiles and window glass were also produced. Roman glass production developed … Wikipedia
