Our fabulous Luna line which includes a center of vibrant Murano glass color with patches of .925 Sterling Silver and 24kt Gold Foil as well as the sparkle of Avventurina. All of this is then covered in clear Murano glass which gives the bead a lovely depth. The size of these is approximately 10x10 cube but it varies as they are handmade. There is gold or silver along with aventurina.