альмандиновая шпинель
Шпинель коричнево-красного до фиолетового цвета.
[Англо-русский геммологический словарь. Красноярск, КрасБерри. 2007.]
Англо-русский словарь нормативно-технической терминологии. academic.ru. 2015.
almandine — /al meuhn deen , duyn , din/, n. a mineral, red iron aluminum garnet. [1670 80; < F, MF < ML alamandina, alabandina a precious stone, prob. a kind of garnet, equiv. to Alaband(a) a town in Asia Minor + ina, fem. of inus INE1; cf. ME alabaundaryne … Universalium
spinel ruby — noun a spinel used as a gemstone (usually dark red) • Syn: ↑ruby spinel • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle … Useful english dictionary
ruby spinel — noun a spinel used as a gemstone (usually dark red) • Syn: ↑spinel ruby • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle * * * … Useful english dictionary
ruby spinel — Mineral. a deep red, transparent variety of spinel, used as a gem. Also called spinel ruby. [1830 40] * * * ▪ mineral natural or synthetic gem quality spinel (q.v.; magnesium aluminum oxide) that resembles ruby. The two natural gems are… … Universalium
альмандиновая шпинель — Шпинель коричнево красного до фиолетового цвета. [Англо русский геммологический словарь. Красноярск, КрасБерри. 2007.] Тематики геммология и ювелирное производство EN almandine spinel … Справочник технического переводчика
Garnet — For other uses, see Garnet (disambiguation). Garnet General Category Nesosilicate Chemical … Wikipedia
Important gemstones — ▪ Table Important gemstones mineral gem name colour Mohs hardness* specific gravity* beryl aquamarine sky blue to greenish blue 7½–8 2.68–2.71 emerald green 2.68–2.74 goshenite colourless; greenish yellow, yellow green, brownish same as… … 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
Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… … Wikipedia
Eclogite — (pronEng|ˈɛklədʒaɪt) is a coarse grained mafic (basaltic in composition) metamorphic rock. Eclogite is of special interest for at least two reasons. First, it forms at pressures greater than those typical of the crust of the Earth. Second, being… … Wikipedia
Kimberlite — is a type of potassic volcanic rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5 carat diamond in 1871 spawned a diamond rush, eventually creating the Big… … Wikipedia
