GB_Crossville(300)Crossville. The Mixology metal tile line replicates cast metal sculptural pieces with a minimum of 50% post-consumer recycled content as certified by Scientific Certification Systems. Seven field tile designs in two sizes plus 10 trim options and two random mosaics are available in four distinctive finishes, providing 98 pieces total. All tile and trim in the line come with a clear protective coating to ensure a durable, virtually maintenance-free finish, the company says.