IceStone depends on the color .
IceStone is 68 % - 75 % recycled glass , 15 - 20 % white Portland cement , and small percentages of pigments and proprietary ingredients .
Depending on the color , IceStone is 68 % - 75 % recycled glass , 15 - 20 % white Portland cement , and small percentages of pigments and proprietary ingredients .