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.
noun
Naut. a hoisting tackle for loading cargo
See garnet in American Heritage Dictionary 4
(gärˈnĭt)
noun
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.