This is a charming, small pendant in a semi-elaborate copper wrap. There is a tiny, natural, almost invisible irregularity on the face of the stone. - See photos.
Amethyst Oval in Copper (slight damage)
1.8 x 1.0 inches or 45 x 25 mm
I used pure copper wire, oxidized it to achieve a timeless "antiqued" look, and then polished, cleaned and sealed the piece, so that the copper will never tarnish any further or rub off on your skin.
You won't need to polish your pendant, just keep it protected from scratches and bumps against hard surfaces or other jewelry.