- magnesium-manganese spinel
- магний-марганцевая шпинель
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
magnesium-manganese spinel
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Spinel — General Category Oxide minerals Spinel group Chemical formula MgAl2O4 … Wikipedia
spinel — /spi nel , spin l/, n. 1. any of a group of minerals composed principally of oxides of magnesium, aluminum, iron, manganese, chromium, etc., characterized by their hardness and octahedral crystals. 2. a mineral of this group, essentially… … Universalium
spinel group — noun : a group of mineral oxides including the spinel series and having the general composition AB2O4 in which A represents magnesium, ferrous iron, zinc, or manganese or any combination of them and B represents aluminum, ferric iron, or chromium … Useful english dictionary
spinel — or spinelle noun Etymology: Italian spinella, diminutive of spina thorn, from Latin Date: 1528 1. a hard crystalline mineral consisting of an oxide of magnesium and aluminum that varies from colorless to ruby red to black and is used as a gem 2.… … New Collegiate Dictionary
spinel — spi•nel or spi•nelle [[t]spɪˈnɛl, ˈspɪn l[/t]] n. 1) mir any of a group of minerals composed of oxides of metals (magnesium, aluminum, iron, zinc, manganese, etc.) 2) mir a mineral of this group, magnesium aluminum oxide, MgAl2O4, having… … From formal English to slang
spinel — /spəˈnɛl/ (say spuh nel) noun 1. any of a group of minerals composed principally of oxides of magnesium, aluminium, iron, manganese, chromium, etc., characterised by their hardness and octahedral crystals. 2. a mineral of this group, essentially… …
Pyroxene — Figure 1: A sample of pyroxenite, a rock consisting mostly of pyroxene minerals. The pyroxenes are a group of important rock forming inosilicate minerals found in many igneous and metamorphic rocks. They share a common structure consisting of… … Wikipedia
Ammolite — Infobox mineral name = Ammolite category = fossilized, mineralized Ammonite shell boxwidth = boxbgcolor = imagesize = caption = Unprocessed sample of ammolite, a dragon skin pattern is apparent formula = CaCO3 aragonite polymorph, with minor… … Wikipedia
inorganic matter — (New American Roget s College Thesaurus) The inanimate world Nouns 1. inorganic matter, mineral, mineral world or kingdom, unorganized, inanimate, or lifeless matter, inorganization; lithification, petrification; petrifaction; brute matter; stone … English dictionary for students
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
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
