Amazonite beads: Size: 8 mm 14k gold plated over 925 sterling silver: Size: 5 mm Length: 16.5 inches Lobster clasp closure Important to note: Due to the delicate nature of these stones, be sure to avoid contact with harsh chemicals including sunscreens, perfumes, and chlorine, as these substances can alter the color. As these are natural gemstones, each one is completely unique.