The Adjustable Agate Stone Necklace has earthy charm. This design features real semi agate stone sliced into a pendant, each with unique variation, on an adjustable length single strand. Pair it with pieces from our Blue Stone Collection and your classic favorites. Adjustable length necklace. Dimensions: 17" + 4" extender. 50% glass, 25% agate, 24% brass, 1% steel. Part of the Blue Stone Collection. Custom designed exclusively for Chico's. Handcrafted with nickel-free metal.