Patent ID: 8901021

Claim:
A glass comprising: a base soda-lime-silica glass portion; a colorant portion, comprising: total iron as Fe 2 O 3 equal to or greater than 0.900 weight percent; FeO equal to or greater than 0.50 weigh percent; CoO greater than 0.030 weight percent; Redox ratio equal to or greater than 0.50, and wherein color of the glass in terms of L*, a* and b* using reference illuminant (D65) with a 10° observer is L* in the range of 2.38-23.21; a* in the range of 3.44-7.2, and b* in the range of 3.82-44.81, and an excitation purity (PE) in the range of 91.25-99.54.