Shelley's Vintage Originals. The centerpiece of this necklace was a brooch. It is a pinwheel design of prong set clear rhinestones. The center of the pinwheel are blue aurora borealis rhinestones of various sizes. It measures 2" from arm to arm. The necklace is custom made from two large silver tone chains. The center are large oval single link connected to a double twist link. It has a lobster claw clasp and measures 19" in length. It can be shortened or lengthened with an extension chain per customer request.