crystalline quartz
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Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category … Wikipedia
Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as … Wikipedia
Quartz — Quartz, n. [G. quarz.] (Min.) 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… … The Collaborative International Dictionary of English
quartz — Crystalline silica, SiO2, occurring either in prisms capped by rhombohedra (low temperature quartz, stable up to 573°C) or in hexagonal bipyramidal crystals (high temperature quartz, stable above 573°C). Widely distributed in rocks of all kinds;… … Dictionary of automotive terms
Crystalline — Crys tal*line (kr?s tal l?n or l?n; 277), a. [L. crystallinus, from Gr. ????: cf. F. cristallin. See {Crystal}.] 1. Consisting, or made, of crystal. [1913 Webster] Mount, eagle, to my palace crystalline. Shak. [1913 Webster] 2. Formed by… … The Collaborative International Dictionary of English
Crystalline heavens — Crystalline Crys tal*line (kr?s tal l?n or l?n; 277), a. [L. crystallinus, from Gr. ????: cf. F. cristallin. See {Crystal}.] 1. Consisting, or made, of crystal. [1913 Webster] Mount, eagle, to my palace crystalline. Shak. [1913 Webster] 2. Formed … The Collaborative International Dictionary of English
Crystalline lens — Crystalline Crys tal*line (kr?s tal l?n or l?n; 277), a. [L. crystallinus, from Gr. ????: cf. F. cristallin. See {Crystal}.] 1. Consisting, or made, of crystal. [1913 Webster] Mount, eagle, to my palace crystalline. Shak. [1913 Webster] 2. Formed … The Collaborative International Dictionary of English
Crystalline spheres — Crystalline Crys tal*line (kr?s tal l?n or l?n; 277), a. [L. crystallinus, from Gr. ????: cf. F. cristallin. See {Crystal}.] 1. Consisting, or made, of crystal. [1913 Webster] Mount, eagle, to my palace crystalline. Shak. [1913 Webster] 2. Formed … The Collaborative International Dictionary of English
quartz-porphyry — quartz porˈphyry noun An igneous rock with crystals of quartz and feldspar in a compact or finely crystalline ground mass of the same • • • Main Entry: ↑quartz … Useful english dictionary
Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… … Wikipedia
quartz — A crystalline form of silicon dioxide used in chemical apparatus and in optical and electric instruments. * * * quartz kwȯ(ə)rts n a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and… … Medical dictionary
