Sterling Silver Cat Eye Stone Abstract Tear Drop Necklace

Sterling silver irregular shaped tear drop pendant set with off white, light gray, and dark gray cat eye stones. I don't know what type of stones they are but they have that cat eye light reflection. Box chain measures 18 inches length, pendant measures 1 inch length and 3/8ths of an inch across widest point. Stamped 925 and acid tests positive for sterling silver. W