Extended Strong's Greek Lexicon (Abbott-Smith based)
sulfur
Usage: θεῖον, -ου, τό [in LXX; Gen.19:24, Deu.29:23 Job.18:15, Psa.11:7, Isa.30:33 34:9, Eze.38:22 (גׇּפְרִית), 3Ma.2:5 * ;] brimstone: Luk.17:29 (LXX), Rev.9:17-18 14:10 19:20 20:10 21:8.† (AS)