garnet (redirected from Garnets)

gar·net ¹  (gärnt)

n.

1. 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.

2. A dark to very dark red.

---

[Middle English, from Old French grenate, from grenat, pomegranate-red, probably from Latin grntum, pomegranate, from neuter of grntus, seedy; see pomegranate.]

---

garnet

Noun

a red semiprecious gemstone [Old French grenat red, from pome grenate pomegranate]

---

garnet  (gärnt)

Any of several common red, brown, black, green, or yellow minerals having the general chemical formula A₃B₂SiO₈, where A is either calcium (Ca), magnesium (Mg), iron (Fe), or manganese (Mn) and B is either aluminum (Al), manganese, iron, chromium (Cr), or vanadium (V). Garnet crystals are dodecahedral in shape, transparent to semitransparent, and have a vitreous luster. They usually occur in metamorphic rocks but also occur in igneous and sedimentary rocks.

Thesaurus

Noun

1.

garnet - any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition almandite, almandine - a deep red garnet consisting of iron aluminum silicate andradite - a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone carbuncle - deep-red cabochon garnet cut without facets cinnamon stone, essonite, hessonite - a garnet ranging in color from yellow to brown pyrope - a deep red garnet used as a gemstone rhodolite - a red or pink variety of garnet used as a gemstone transparent gem - a gemstone having the property of transmitting light without serious diffusion