hexecontalithos
From LSJ
ἀλλὰ σὺ μὲν νῦν στῆθι καὶ ἄμπνυε → but you, stop now and catch your breath | but do thou now stand, and get thy breath
hexēcontălĭthos: i, m., = ἑξηκοντάλιθος (sixty-colored stone),
I a precious stone, otherwise unknown, Plin. 37, 10, 60, § 167; Solin. 31.