This is one fantastic necklace! It's large, it's bold, it has a spark and it's totally original. Natural Agate, with unpolished crystalic part in the center, surrounded by sculptured silver frame, with uneven sides. Corners are set with faceted, bright Green Tourmaline in Gold bezels. Black silk cord is 8mm thick; it's adjustable from 16in to 19in. Pendant is 2.5inch x 2inch. It's truly stunning!