... . Good quality 4. Alternative of Belgium bluestone Blue lstone: Xiamen Stone Consulting is specialized in fabricating calibrated limestone tile, we can ... , 16x16, 18x18, 24x24 (300x300, 400x400, 600x600 etc.)Finish: honed, flamed, fine picked Ice flower sandblasted chiseled tumbledWindow sill, showe tray, step ...