- spinel series
- noun
: a series of isomorphous mineral oxides (Mg,Fe,Zn,Mn)Al2O4 in the spinel group consisting of spinel, hercynite, gahnite, and galaxite
Useful english dictionary. 2012.
Useful english dictionary. 2012.
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
Zinc 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… … The Collaborative International Dictionary of English
chromite series — noun : a series of isomorphous minerals in the spinel group consisting of magnesiochromite and chromite … Useful english dictionary
magnetite series — noun : a series of isomorphous minerals in the spinel group consisting of magnetite, magnesioferrite, franklinite, jacobsite, trevorite, and maghemite … Useful english dictionary
chromite — /kroh muyt/, n. 1. Chem. a salt of chromium in the bivalent state. 2. Mineral. a cubic mineral, ferrous chromate, Fe3Cr2O3, usually with much of the ferrous iron and aluminum replaced by magnesium, and some of the chromium by ferric iron: the… … Universalium
gahnite — ˈgäˌnīt noun ( s) Etymology: German gahnit, from Johan G. Gahn died 1818 Swedish chemist + German it ite : a usually dark green mineral ZnAl2O4 consisting of an oxide of zinc and aluminum and constituting a member of the spinel series … Useful english dictionary
galaxite — ˈgāˌlakˌsīt, lək noun ( s) Etymology: Galax, Va., its locality + English ite : a black mineral MnAl2O4 consisting of an oxide of manganese and aluminum and constituting a member of the spinel series … Useful english dictionary
hercynite — ˈhərsənˌīt noun ( s) Etymology: German hercynit, from Latin Hercynia (silva), its locality + German it ite : a black mineral FeAl2O4 consisting of an oxide of iron and aluminum and constituting a member of the spinel series … Useful english dictionary
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