Bright Green to dark green. DENSITY: 5.21. Melting point: 2,266 degrees. Boiling Point: 4,000 degrees. With metallic luster, magnetic, strong hiding power, high temperature resistance, Sun Resistance, insoluble in water, insoluble in acid, relatively stable in the atmosphere, to the general concentration of acid and alkali and sulfur dioxide gas has no effect, with excellent outstanding pigment quality and fastness.