Vintage 925 Sterling Silver Rainbow Abalone Necklace Pendant Charm

ੈ✩‧₊vintage sterling silver rainbow abalone necklace pendant ੈ✩‧₊˚ ❀ blue & green rainbow abalone pearl oval necklace charm pendant ❀ stamped “sterling” ❀ size: 1.25” tall approx ❀ bail isn’t a fully closed loop (see last pic), won’t matter on a thick enough chain, would also be simple to fix