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Best value for density and refractive index values have similar trends. With the increasing trend of increases when the quantity of Fe2O3. Both the density and refractive index values, the density in g/cm3 2.4662 range to 2.4918 and refraction index is in the range 2.4918 through 2.4662.

The density and refractive index values ​​are likely similar. By increasing the amount of Fe2O3 increase both the density and refractive index. The density values ​​are in the range of 2.4662 to 2.4918 g / cm3 and the refractive index in the range of 2.4662 to 2.4918.

The density and refractive index is similar. The increased when the amount of Fe2O3 increased both the density and refractive index. The density, the 2.4662 to 2.4918 g / cm3 and the refractive index in the range 2.4662 to 2.4918.