Quartz

[kwɔːts] or [kwɔrts]

Definition

(noun.) a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities.

Editor: Stephen--From WordNet

Definition

(n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.

Editor: Stanton

Synonyms and Synonymous

n. Silex, silica, ROCK-CRYSTAL.

Checker: Maisie

Definition

n. the common form of native silica or the oxide of silicon occurring both in crystals and massive scratching glass easily and becoming positively electrical by friction colourless when pure—Rock-crystal Common and Compact Quartz.—ns. Quartz′-crush′er -mill a machine mill where auriferous quartz is reduced to powder and the gold separated by amalgamation.—adj. Quartzif′erous.—ns. Quartz′ite Quartz′-rock a common rock usually white gray or rusty in colour and composed of an aggregate of quartz-grains welded together.—adjs. Quartzit′ic; Quartz′ose of or like quartz; Quartz′y.

Typist: Nora

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