Blue stone 1. Big production and consistent; 2. Very cheap price 3. Good quality 4. Alternative of Belgium bluestone Blue lstone: Xiamen Stone Consulting is specialized in fabricating calibrated limestone tile, we can provide black, grey, white, red, beige, gold, blue etc in Chinese and international limestone colors. Size: 12x12, 16x16, 18x18, 24x24 (300x300, 400x400, 600x600 etc.)Finish: honed, ...