NEW CALACATTA GREY QUARTZNew Calacatta Grey Quartz are ideal for making an opulent statement with your wall design. Calacatta marbles are the main reason for designing this unique quartz stone, hence these are also called marble effect countertops. New Calacatta Grey Quartz is a white grey quartz stone with a streaked greyish blue tint and has distinct veins. Some varieties have varying colours and hues of white, as well as a more brownish grey streak rather than the usual