Double-pointed polished gemstone wrapped in 18kt gold over sterling silver wire. Butterfly backings. Natural stones will show variation in tones and color. Tarnish Free - Long lasting protective coating safeguarding your jewelry from sweat, water, and more. Sterling Silver Posts – 18K gold plating over silver Hypoallergenic – Lead Free Clear quartz gemstone - double point crystal Height 1/2" Width 1/8"