9 letters · 27 points in Scrabble
noun hard metamorphic rock consisting essentially of interlocking quartz crystals
originEtymology tree English quartz Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English quartzite From quartz + -ite.
Etymology from Wiktionary, CC BY-SA 3.0