וַיִּתְפָּֽרְקוּ֙ כָּל־הָעָ֔ם אֶת־נִזְמֵ֥י הַזָּהָ֖ב אֲשֶׁ֣ר בְּאָזְנֵיהֶ֑ם וַיָּבִ֖יאוּ אֶֽל־אַהֲרֹֽן׃
And all the people broke off the golden rings which were in their ears, and brought them unto Aaron.
Read halakhic rulings (Jewish law) on Exodus 32:3: and classical halakhic sources.