כֶּ֣סֶף מְרֻקָּ֞ע מִתַּרְשִׁ֣ישׁ יוּבָ֗א וְזָהָב֙ מֵֽאוּפָ֔ז מַעֲשֵׂ֥ה חָרָ֖שׁ וִידֵ֣י צוֹרֵ֑ף תְּכֵ֤לֶת וְאַרְגָּמָן֙ לְבוּשָׁ֔ם מַעֲשֵׂ֥ה חֲכָמִ֖ים כֻּלָּֽם׃
Silver beaten into plates which is brought from Tarshish, And gold from Uphaz, The work of the craftsman and of the hands of the goldsmith; Blue and purple is their clothing; They are all the work of skilful men.
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..