New from Portobello, the Pietra di Vermont porcelain tile collection mimics the look of natural slate, the company says. Available in four natural colors, the series comes in 24” x 24”, 12” x 12”, and 18” x 18” sizes, with single bullnose pieces in 4” x 24”, 4” x 18”, and 3” x 12” sizes.For details, circle 298 on the Reader Inquiry Card.