ירמיהו י:ט מקורות בתלמוד: Jerusalem Talmud Yoma

Mufaz gold. Rebbi Patroki the brother of Rebbi Drosa in the name of Rebbi Abba bar Bina: It looks like fire which was kindled with sulphur. Rebbi Abbin, it is called after its place, and gold from Ufaz¹¹²Jer. 10:9..