Bluestone Porcelain Stone features a field of soft earthen tones enhanced by fossil-like impressions and the subtle pearlescence of embedded shells. Bluestone is available in natural and semi-polished finishes, 4 colorways, and a variety of sizes. The flexible tiles can be used on floors, countertops, and wall accents. Bluestone also features 20% recycled content. The tiles offer durability against stains and scratches and are low maintenance. Bluestone Porcelain Stone by Crossville. Circle 214.