Calli Wall SconcePrized for its extraordinary light diffusion effects, Spanish alabaster has long been used in place of windows in churches and in other applications where a sense of awe is desired. Calli sets a stunning slab of Spanish alabaster on a cast copper backplate clasped into place with pieces of strong metal in brackets that accent the piece while breaking the frame. PLEASE NOTE: Alabaster patterns vary by product, our product and the pictures shown are