10 letters · 19 points in Scrabble
noun a heavy grey mineral that is an ore of copper
originEtymology tree Ancient Greek χαλκός (khalkós) Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English chalcocite From Ancient Greek χαλκός (khalkós) + English -ite.
Etymology from Wiktionary, CC BY-SA 3.0