Black and white smooth nugget Agate with round, faceted Black Tourmaline (at clasp) and Stainless Steel cable chain with Stainless Steel wire wraps, curb extender chain and lobster clasp Agate is 21.5mm by 11mm; Tourmaline is 3.5mm Necklace is 24 to 26 inches long Note: All pearls/stones may slightly vary in color, shape, and size because they are real/natural pearls/gemstones. Some may have been dyed or heated to enhance their color. I do my best to match all pearls/stones for color, pattern, shape and size. All pictures are taken in natural light. Colors may vary slightly when viewed on different screens/devices.