The story
- Ancient Greek · derived fromπήγνυμι“to attach, join”
- English todaypegmatite
From Ancient Greek πήγνυμι (pḗgnumi, “to attach, join”) + -ite
Etymology from Wiktionary, CC BY-SA 4.0.
pegmatite
Today it means: A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Full definition →
Ancient Greek πήγνυμι