Green Chromic Oxide is a green pigment used in glass and ceramics. It can be used in temperatures up to 1200 °C. Grades: Lithium Sulfate, Lithium Hydroxide, Lithium Silicate. Chrome oxide is a green crystal powder, good covering strength, high temperature-resisting and sunlight fastness. Chrome oxide green, which is nearly pure Cr2O3, is the most stable green pigment known. It is used for colouring roofing granules, cements, and plasters. It is also employed as a fine powder for polishing.