Composition: Cr Sn References: Do not use Zinc in glazes. Must contain 6.7% to 8.4% whiting. 6006 Deep Crimson - 1/4 pound 6006-1-4$6.59 Deep Crimson - 1/2 pound 6006-1-2$12.33 Deep Crimson - 1 pound 6006-1$22.95