ALL meanings of pegmatite
peg·ma·tite
P p - noun pegmatite a coarsely crystalline granite or other high-silica rock occurring in veins or dikes. 1
- noun pegmatite any of a class of exceptionally coarse-grained intrusive igneous rocks consisting chiefly of quartz and feldspar: often occurring as dykes among igneous rocks of finer grain 0
- noun pegmatite a light-colored, coarsegrained, intrusive igneous rock, usually granitic, containing large crystals of quartz, feldspar, and mica, and sometimes rare minerals: typically found in fissures of other igneous rocks 0