The Southern Grouts & Mortars 40-PBC314 Classic Diamond Brite Exposed Aggregate Pool Finish is primarily composed of 20-80% Quartz and 15-60% Portland Cement. It also contains small percentages of 29H,31H-Phthalocyaninato(2-)-N29,N30,N31,N32 copper and Pigment Blue 29 for coloring.