Necklace in Ethiopian OpalCheck out the video to see the way this beauty shimmers in the light! We've had so much fun creating with a new process using . 999 fine silver metal clay that we fire in our small kiln. We sculpted and carved this piece by hand from metal clay, fired it up, and this gorgeous pendant was the result. This highly sought after Ethiopian Opal, decorative bail, and disco ball chain all make magic in natural light. . 999 sterling silver pendant. 18" Disco