A pair of faceted garnets.
garnet definition by Webster's New World
- any of a group of very hard silicate minerals having the general formula AB(SiO), occurring chiefly as well-formed crystals in metamorphic rocks: red varieties are often used as gems, ordinary varieties as abrasives
- a deep red
- a single-crystal synthetic form used in lasers, electronics, etc.
Origin: Middle English gernet ; from Old French grenat ; from Midieval Latin granatus ; from granatum, garnet, literally , pomegranate ; from Classical Latin (see pomegranate): from the resemblance in color
Origin: Late Middle English garnett, probably ; from or akin to Dutch garnaat
garnet definition by American Heritage Dictionary
- Any of several common, widespread aluminum or calcium silicate minerals occurring in two internally isomorphic series, (Mg, Mn, Fe)3Al2Si3O12 and Ca3(Cr, Al, Fe)2Si3O12, generally crystallized, often embedded in igneous and metamorphic rocks, and colored red, brown, black, green, yellow, or white and used both as gemstones and as abrasives.
- A dark to very dark red.
Origin: Middle English, from Old French grenate, from grenat, pomegranate-red, probably from Latin grānātum, pomegranate, from neuter of grānātus, seedy; see pomegranate.
Origin: Middle English garnett, probably from Middle Dutch garnāt.
garnet - Science Definition