How cute are the Lillia Butterfly Stud Earrings in Dichroic Glass? A sign of transformation, growth, and hope, wear these earrings for a meaningful addition to your everyday look. Metal: 14k Gold Plated Over Brass Size: 0.46"L X 0.36"W Closure: Earpost Material: Dichroic Glass Material Highlight: Loved for its kaleidoscopic effect, Dichroic Glass is a custom stone created by layering iridescent foil between two pieces of glass. Note**** The color changes as the earrings move. They have pink and purple in them.