This unsigned brooch and earrings is some of the best of Aurora Borealis, the light separates and fractures and rays! The brooch is 1 3/4 inches with almost 2 inches of dangling chain, and one is 1 inch. The earrings are 1 3/4 inches long and almost 2/3 wide . The earring are comfortable clips. The main color is blue and prisms of blue. From the blue skies of Kansas!