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Pegmatite is an intrusive igneous rock with very large crystals that forms in the later stages of a magma chamber's crystallization
Pegmatite is an exceptionally coarse-grained plutonic igneous rockMost pegmatites have a mineralogical composition of granite but composition has no defining importance here
The Kneeling Camel Pegmatite is abundant throughout the 48 mile canyon, and is found in the form of stripes on the cliffs as well as large bodi
Pegmatite definition is - a coarse variety of granite occurring in dikes or veins a coarse variety of granite occurring in dikes or veins .
Define pegmatite pegmatite synonyms, pegmatite pronunciation, pegmatite translation, English dictionary definition of pegmatite n A coarse-grained granite, .
Pegmatite: Pegmatite,, almost any wholly crystalline igneous rock that is at least in part very coarse grained, the major constituents of which include minerals typically found in ordinary igneous rocks and in which extreme textural variations, especially in grain size, are characteristic
pegmatite: see granitegranite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars It usually contains small quantities of .
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wardsci 800-962-2660 Pegmatite Type: Igneous; intrusive Texture/Appearance: Very coarse-grained, marked by intergrowth of large (up to 1 cm) crystals
A pegmatite is a holocrystalline, intrusive igneous rock composed of interlocking phaneritic crystals usually larger than 25 cm in size (1 in); .
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