... own quarry 60*15,30*15,30*30cm Natural black QuartzNatural black quartziteWe are largest Natural Quartz factory and supply all ... good feeling of touch.Color : red, green, yellow , white , beige , black ,blue ,etc.Size of slabs:305*140 cm3050/2440 x 760/1200 ... ,AntiqueCapacity of production: monthly 50,000m2We can do any size according to customers requirement. Natural black quartz,Natural quartzite