spinel
31ruby 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… …
32Samarian spinel — The Samarian Spinel is a 500 carat spinel gemstone that is the largest of its kind in the world. It is part of the Iranian Crown Jewels. OriginsIt, together with a smaller 270 carat Spinnel, were captured by the Persian King Nader Shah during his …
33Zinc spinel — Zinc inc (z[i^][ng]k), n. [G. zink, probably akin to zinn tin: cf. F. zinc, from the German. Cf. {Tin}.] (Chem.) An abundant element of the magnesium cadmium group, extracted principally from the minerals zinc blende, smithsonite, calamine, and… …
34ruby spinel — ru′by spinel n. mir a deep red, transparent variety of spinel, used as a gem • Etymology: 1830–40 …
35ruby spinel — noun Date: 1839 a usually red spinel used as a gem …
36silicon-on-spinel — silicio darinys ant špinelio statusas T sritis radioelektronika atitikmenys: angl. silicon on spinel vok. Silizium auf Spinell Struktur, f rus. структура типа кремний на шпинели, f pranc. structure silicium sur spinelle, f …
37inverse spinel — atvirkštinis špinelis statusas T sritis chemija apibrėžtis Struktūros tipas, būdingas A(BA)O₄ junginiams. atitikmenys: angl. inverse spinel rus. обращенная шпинель …
38chrome spinel — noun : picotite * * * chrome spinel noun Picotite • • • Main Entry: ↑chrome …
39zinc spinel — noun Etymology: approximate translation of French spinelle zincifère, literally, zinciferous spinel : gahnite …
40magnesia spinel refractories — Смотри магнезиальношпинелидные огнеупоры …