- tetrahedral garnet
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• гельвин• тетраэдрический гранат
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Garnet — For other uses, see Garnet (disambiguation). Garnet General Category Nesosilicate Chemical … Wikipedia
Yttrium iron garnet — (YIG) is a kind of synthetic garnet, with chemical composition Yttrium3Iron2(FeOxygen4)3, or Y3Fe5O12. It is a ferrimagnetic material with Curie temperature 550 K.In YIG, the five iron(III) ions occupy two octahedral and three tetrahedral sites,… … Wikipedia
pyroxene — pyroxenic /puy rok sen ik/, adj. /puy rok seen, peuh , puy rok seen /, n. any of a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of… … Universalium
magnetic ceramics — Introduction oxide materials that exhibit a certain type of permanent magnetization called ferrimagnetism. Commercially prepared magnetic ceramics are used in a variety of permanent magnet, transformer, telecommunications, and information… … Universalium
Silicate minerals — ▪ Table Silicate minerals name colour lustre Mohs hardness specific gravity Tectosilicates (three dimensional networks) feldspar (for other examples, see feldspar) orthoclase flesh red, white to pale yellow, red, green vitreous 6–6½ 2.6… … Universalium
Spinel — General Category Oxide minerals Spinel group Chemical formula MgAl2O4 … Wikipedia
crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… … Universalium
Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… … Universalium
Chlorite group — For the chemistry term, see chlorite. Chlorite group General Category Mineral Chem … Wikipedia
amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… … Universalium
X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… … Wikipedia