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nouna hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstonestype of:
Definition that contains spinel
- 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)
- magnesium 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)
- peyote a small spineless globe-shaped cactus; source of mescal buttons
- mezcal a small spineless globe-shaped cactus; source of mescal buttons
- mescal a small spineless globe-shaped cactus; source of mescal buttons
- almandine a purple variety of the ruby spinel
- balas a pale rose-colored variety of the ruby spinel
- ceylonite a dark-colored spinel containing iron
- ruby spinel a spinel used as a gemstone (usually dark red)
- ariocarpus fissuratus usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States