spinel
Noun
-
A hard glassy mineral consisting of an oxide of magnesium and aluminum;
Occurs in various colors that are used as gemstones (synset 115075465)is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical compositionsubtypes:- ruby spinel, spinel ruby - a spinel used as a gemstone (usually dark red)
- ceylonite, pleonaste - a dark-colored spinel containing iron
substance holonym: atomic number 12, magnesium, mg - a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
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