My company can provide you with high-quality limestone in Europe, the detail compositions are as follows: CaO 54.5%min. SiO2 0.3%max. MgO 0.6max. Size 0-5mm or 5-15mm. There are about 350 m2 of 400x600x20 (mm) tiles, made of our LN1 limestone, with honed finish.