Garnet for Sandblasting, Abrasive Cleaning and Water-Jet Cutting The color of nature garnet is dark when it is processed into sand and light red when it is powder. It turns to light grew or milky white when it becomes micro-powder. The specific gravity of garnet is 3.95g/cm3. The inner structure of garnet is mainly crystallized iron and alumina. It is suitable for Lapping Making organic bonded abrasive tools Abrasive blast media Denim blasting Water filtration media Water jet-cutting abrasive Glass polishing High temperature gravel pack for deep oil wells. SiO2: 35.0-40.0% Al2O3: 20.0-28.0% FeO: 25.0-27.0% Fe2O3: 5.0-10.0% MnO: 1.5-2.5% CaO: 1.5-5.0% Grit:F24-F120 Available Grains: F24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150. Available micropowder:F360-F1000 Any inquiry from you will be seriously treated.