8 letters · 8 points in Scrabble
noun a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments
originFrom Latin steatītis, from Ancient Greek στέαρ (stéar, “tallow”). By surface analysis, steat(o)- (“fat”) + -ite (“stone”).
Etymology from Wiktionary, CC BY-SA 3.0