Editing Pegmatite (section)

==Etymology==
The word ''pegmatite'' derives from [[Homeric Greek]], πήγνυμι (''pēgnymi''), which means “to bind together”, in reference to the intertwined crystals of [[quartz]] and [[feldspar]] in the [[texture (crystalline)|texture]] known as [[graphic texture|graphic granite]].<ref name=Morgan2012>{{cite journal |last1=London |first1=David |last2=Morgan |first2=George B. |date=2012-08-01 |title=The Pegmatite Puzzle |journal=Elements |language=en |volume=8 |issue=4 |pages=263–68 |doi=10.2113/gselements.8.4.263 |bibcode=2012Eleme...8..263L |issn=1811-5209}}</ref> The term was first used by [[René Just Haüy]] in 1822 as a synonym for [[graphic granite]]. [[Wilhelm Karl Ritter von Haidinger]] first used the term in its present meaning in 1845.<ref name=Jackson1997/>