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  • Pegmatitic — Peg ma*tit ic, a. (Min.) Of, pertaining to, or resembling, pegmatite; as, the pegmatic structure of certain rocks resembling graphic granite. [1913 Webster] …   The Collaborative International Dictionary of English

  • pegmatitic — | ̷ ̷ ̷ ̷|tid.ik adjective Etymology: International Scientific Vocabulary pegmatite + ic : having a texture like that of pegmatite * * * pegmatitic / titˈik/ adjective • • • Main Entry: ↑pegmatite …   Useful english dictionary

  • pegmatitic — adjective see pegmatite …   New Collegiate Dictionary

  • pegmatitic — adjective Containing or characteristic of pegmatite …   Wiktionary

  • pegmatitic — adj. of pegmatite, of crystalline granite …   English contemporary dictionary

  • pegmatitic — peg·ma·tit·ic …   English syllables

  • pegmatite — pegmatitic /peg meuh tit ik/, adj. /peg meuh tuyt /, n. Petrol. a coarsely crystalline granite or other high silica rock occurring in veins or dikes. [1825 35; < Gk pegmat (s. of pêgma) anything fastened together, a bond (Compare pegnýein to… …   Universalium

  • Pegmatite — is a very coarse grained igneous rock that has a grain size of 20 mm or more; such rocks are referred to as pegmatitic .Most pegmatites are composed of quartz, feldspar and mica; in essence a granite . Rarer intermediate and mafic pegmatite… …   Wikipedia

  • Chrysoberyl — General Category Oxide minerals Spinel group Chemical formula Be …   Wikipedia

  • Igneous textures — include the rock textures occurring in igneous rocks. Igneous textures are utilized by geologists in determining the mode of origin igneous rocks and are used in rock classification. There are six main types of textures; phaneritic, aphanitic,… …   Wikipedia

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